[ { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "connected", "note": "No built-in GPS is stated. Supported routes, distance and pace use the phone’s location services; the phone must be carried.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "oura-ring-5", "brand": "Oura", "name": "Oura Ring 5", "generation": "5", "summary": { "en": "Oura’s smallest current ring, with mature software, broad integrations and a required membership for the full experience." }, "verdict": { "en": "The strongest all-round software and evidence package here, but recurring cost and sizes 6–13 narrow the fit." }, "bestFor": { "en": "Sleep and recovery buyers who value app depth over lowest cost." }, "useCases": [ "sleep", "recovery", "cycle", "general-wellness" ], "countries": { "US": "available", "CA": "available", "GB": "available", "IE": "available", "BE": "available", "NL": "available", "DE": "available", "FR": "available", "IT": "available", "ES": "available", "PL": "available", "SE": "available", "JP": "available" }, "launchPrice": { "amount": 399, "currency": "USD" }, "subscription": { "amount": 5.99, "currency": "USD", "period": "month", "required": true, "note": "Full insights require Oura Membership; US monthly reference price before tax." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android; minimum versions can change.", "platforms": [ "Apple Health", "Health Connect", "Strava", "100+ integrations claimed" ], "sizes": [ "6", "7", "8", "9", "10", "11", "12", "13" ], "sizing": "Ring 5 uses its own sizing kit; Ring 4 sizing does not transfer exactly.", "weight": "From 2 g", "finishes": [ "Black", "Silver", "Stealth", "Brushed Silver", "Gold", "Deep Rose" ], "sensors": [ "Red, green and infrared LEDs", "Two photodetectors", "Temperature sensor", "Accelerometer" ], "outputs": [ "Sleep and stages", "Readiness and activity", "Heart-rate and HRV trends", "Temperature trends", "Cycle insights" ], "batteryDays": { "min": 6, "max": 9 }, "charging": "Size-specific charger; about 80 minutes. Optional charging case sold separately.", "waterResistance": "IP68; manufacturer states waterproof to 100 m.", "strengths": { "en": [ "Mature interpretation", "Broad integrations", "Published Oura sleep research" ] }, "caveats": { "en": [ "Membership cost", "Narrower size range than Ring 4", "Ring 5 claims need generation-specific validation" ] }, "evidence": "Good brand-level evidence for sleep trends; Gen3 validation does not automatically validate every Ring 5 feature.", "officialUrl": "https://ouraring.com/store/rings/oura-ring-5", "sources": [ { "label": "Oura Ring 5 specifications", "url": "https://ouraring.com/store/rings/oura-ring-5", "publisher": "Oura", "kind": "official", "checked": "2026-10-06", "supports": "Price, sizes, sensors, battery, water rating and compatibility." }, { "label": "Discover Oura Ring 5", "url": "https://support.ouraring.com/hc/en-us/articles/50997181300243-Discover-Oura-Ring-5", "publisher": "Oura Support", "kind": "official", "checked": "2026-10-06", "supports": "Generation, sizing, battery and hardware details." }, { "label": "Oura location services", "url": "https://support.ouraring.com/hc/en-us/articles/4408888572179-Location-Services-for-Activities", "publisher": "Oura Support", "kind": "official", "checked": "2026-10-06", "supports": "Phone-assisted route, distance and pace tracking." }, { "label": "Oura sleep validation", "url": "https://www.sciencedirect.com/science/article/pii/S1389945724000200", "publisher": "Sleep Medicine", "kind": "study", "checked": "2026-10-06", "supports": "Gen3 sleep staging versus polysomnography; not Ring 5-specific." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "connected", "note": "No built-in GPS is stated. Supported routes, distance and pace use the phone’s location services; the phone must be carried.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "oura-ring-4", "brand": "Oura", "name": "Oura Ring 4", "generation": "4", "summary": { "en": "The established titanium Oura with a wider size range than Ring 5 and the same membership-led app." }, "verdict": { "en": "Still compelling for sizes 4, 5, 14 or 15, especially at a verified official discount." }, "bestFor": { "en": "Smaller or larger fingers and value-seekers in the Oura ecosystem." }, "useCases": [ "sleep", "recovery", "cycle", "general-wellness" ], "countries": { "US": "available", "CA": "available", "GB": "available", "IE": "available", "BE": "available", "NL": "available", "DE": "available", "FR": "available", "IT": "available", "ES": "available", "PL": "available", "SE": "available", "JP": "available" }, "launchPrice": { "amount": 349, "currency": "USD" }, "subscription": { "amount": 5.99, "currency": "USD", "period": "month", "required": true, "note": "Full insights require Oura Membership." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android.", "platforms": [ "Apple Health", "Health Connect", "Strava" ], "sizes": [ "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15" ], "sizing": "Use the Ring 4-specific sizing kit.", "weight": "3.3–5.2 g", "finishes": [ "Silver", "Black", "Brushed Silver", "Stealth", "Gold" ], "sensors": [ "Red, green and infrared LEDs", "Photodetectors", "Temperature sensor", "Accelerometer" ], "outputs": [ "Sleep", "Readiness", "Activity", "Stress trends", "Cycle insights" ], "batteryDays": { "min": 5, "max": 8 }, "charging": "Size-specific charger; typically 20–80 minutes.", "waterResistance": "Manufacturer states 100 m; not for diving.", "strengths": { "en": [ "Wide size range", "Mature app", "Five-to-eight-day claim" ] }, "caveats": { "en": [ "Membership cost", "Older and larger than Ring 5", "Finish stock varies" ] }, "evidence": "Oura has the deepest published evidence base, but results remain generation- and population-specific.", "officialUrl": "https://ouraring.com/store/rings/oura-ring-4", "sources": [ { "label": "Oura Ring 4 specifications", "url": "https://ouraring.com/store/rings/oura-ring-4", "publisher": "Oura", "kind": "official", "checked": "2026-10-06", "supports": "Price, dimensions, battery and water resistance." }, { "label": "Oura Ring 4 support", "url": "https://support.ouraring.com/hc/en-us/articles/33045011508115-Oura-Ring-4", "publisher": "Oura Support", "kind": "official", "checked": "2026-10-06", "supports": "Sizes, sensors and features." }, { "label": "Oura location services", "url": "https://support.ouraring.com/hc/en-us/articles/4408888572179-Location-Services-for-Activities", "publisher": "Oura Support", "kind": "official", "checked": "2026-10-06", "supports": "Phone-assisted route, distance and pace tracking." }, { "label": "Smart-ring meta-analysis", "url": "https://www.mdpi.com/2076-3417/14/23/10778", "publisher": "Applied Sciences", "kind": "study", "checked": "2026-10-06", "supports": "Evidence variability and limits." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "connected", "note": "No built-in GPS is stated. Supported routes, distance and pace use the phone’s location services; the phone must be carried.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "oura-ring-4-ceramic", "brand": "Oura", "name": "Oura Ring 4 Ceramic", "generation": "4 Ceramic", "summary": { "en": "Ring 4 sensing in a thicker, heavier zirconia-ceramic exterior." }, "verdict": { "en": "Choose it for material and color, not extra health capability." }, "bestFor": { "en": "Buyers who prefer ceramic and accept more weight plus membership." }, "useCases": [ "sleep", "recovery", "cycle" ], "countries": { "US": "available", "CA": "available", "GB": "available", "IE": "available", "BE": "unknown", "NL": "available", "DE": "available", "FR": "available", "IT": "available", "ES": "available", "PL": "unknown", "SE": "unknown", "JP": "available" }, "launchPrice": { "amount": 399, "currency": "USD" }, "subscription": { "amount": 5.99, "currency": "USD", "period": "month", "required": true, "note": "Full insights require Oura Membership." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android.", "platforms": [ "Apple Health", "Health Connect", "Strava" ], "sizes": [ "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15" ], "sizing": "Use the Ring 4 sizing kit.", "weight": "5.1–8.1 g", "finishes": [ "Midnight", "Cloud", "Tide", "Petal" ], "sensors": [ "Red, green and infrared LEDs", "Photodetectors", "Temperature sensor", "Accelerometer" ], "outputs": [ "Sleep", "Readiness", "Activity", "Cycle insights" ], "batteryDays": { "min": 5, "max": 8 }, "charging": "Size-specific charger; typically 20–80 minutes.", "waterResistance": "Manufacturer states 100 m.", "strengths": { "en": [ "Ceramic finishes", "Wide sizes", "Mature software" ] }, "caveats": { "en": [ "Heavier and thicker", "No extra sensing", "Membership cost" ] }, "evidence": "Uses Ring 4 sensing; evidence is not ceramic-specific.", "officialUrl": "https://ouraring.com/store/rings/oura-ring-4-ceramic", "sources": [ { "label": "Oura Ring 4 Ceramic", "url": "https://ouraring.com/store/rings/oura-ring-4-ceramic", "publisher": "Oura", "kind": "official", "checked": "2026-10-06", "supports": "Price, sizes, weight, material, battery and sensors." }, { "label": "Ring 4 comparison", "url": "https://support.ouraring.com/hc/en-us/articles/33045011508115-Oura-Ring-4", "publisher": "Oura Support", "kind": "official", "checked": "2026-10-06", "supports": "Hardware equivalence and material differences." }, { "label": "Oura location services", "url": "https://support.ouraring.com/hc/en-us/articles/4408888572179-Location-Services-for-Activities", "publisher": "Oura Support", "kind": "official", "checked": "2026-10-06", "supports": "Phone-assisted route, distance and pace tracking." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "ringconn-gen-3", "brand": "RingConn", "name": "RingConn Gen 3", "generation": "3", "summary": { "en": "A long-battery, subscription-free flagship with vibration alerts and vascular trend insights." }, "verdict": { "en": "A strong no-subscription alternative; vascular insights are not cuff measurements." }, "bestFor": { "en": "Travel, long battery life and avoiding mandatory subscriptions." }, "useCases": [ "sleep", "recovery", "cycle", "general-wellness" ], "countries": { "US": "available", "CA": "limited", "GB": "limited", "IE": "limited", "BE": "limited", "NL": "limited", "DE": "limited", "FR": "limited", "IT": "limited", "ES": "limited", "PL": "limited", "SE": "limited", "JP": "limited" }, "launchPrice": { "amount": 349, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS 17+ or Android 10+.", "platforms": [ "Apple Health", "Health Connect" ], "sizes": [ "6", "7", "8", "9", "10", "11", "12", "13", "14", "15" ], "sizing": "Gen 3 uses its own sizing kit.", "weight": "2.5–3.5 g", "finishes": [ "Future Silver", "Royal Gold", "Matte Black", "Brushed Silver", "Brushed Rose Gold" ], "sensors": [ "Optical heart-rate sensor", "Temperature sensor", "3-axis accelerometer", "Vibration motor" ], "outputs": [ "Sleep and apnea patterns", "Recovery", "Vascular trends", "Cycle predictions" ], "batteryDays": { "min": 10, "max": 14 }, "charging": "Universal wireless case; range depends on vibration use.", "waterResistance": "IP68 and 10 ATM manufacturer rating.", "strengths": { "en": [ "No mandatory subscription", "10–14-day claim", "Universal case and vibration" ] }, "caveats": { "en": [ "Not a blood-pressure cuff", "Limited independent Gen 3 validation", "International fees vary" ] }, "evidence": "Most performance figures are manufacturer claims; treat vascular and apnea outputs as wellness patterns.", "officialUrl": "https://ringconn.com/products/ringconn-gen-3", "sources": [ { "label": "RingConn Gen 3 specifications", "url": "https://ringconn.com/products/ringconn-gen-3", "publisher": "RingConn", "kind": "official", "checked": "2026-10-06", "supports": "Price, sizes, battery, sensors, OS, integrations and water rating." }, { "label": "Gen 3 feature limits", "url": "https://ringconn.com/blogs/news/ringconn-gen-3-whats-new", "publisher": "RingConn", "kind": "official", "checked": "2026-10-06", "supports": "Explicit blood-pressure limitation." }, { "label": "Independent Gen 3 review", "url": "https://www.techradar.com/health-fitness/ringconn-gen-3-review", "publisher": "TechRadar", "kind": "independent", "checked": "2026-10-06", "supports": "Wear, exercise and strength-training caveats." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "ringconn-gen-2", "brand": "RingConn", "name": "RingConn Gen 2", "generation": "2", "summary": { "en": "A thin titanium ring with long battery life, charging case and apnea-pattern monitoring." }, "verdict": { "en": "The RingConn middle ground when sleep features matter more than Gen 3 alerts." }, "bestFor": { "en": "Sleep-focused buyers wanting no recurring fee." }, "useCases": [ "sleep", "recovery" ], "countries": { "US": "available", "CA": "limited", "GB": "limited", "IE": "limited", "BE": "unknown", "NL": "limited", "DE": "limited", "FR": "limited", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "launchPrice": { "amount": 299, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS 17+ or Android 10+.", "platforms": [ "Apple Health", "Health Connect" ], "sizes": [ "6", "7", "8", "9", "10", "11", "12", "13", "14" ], "sizing": "Use the Gen 2/Gen 2 Air sizing kit.", "weight": "2–3 g", "finishes": [ "Royal Gold", "Future Silver", "Matte Black", "Rose Gold" ], "sensors": [ "PPG", "Temperature sensor", "3-axis accelerometer" ], "outputs": [ "Sleep", "Apnea patterns", "Heart rate and HRV", "Recovery" ], "batteryDays": { "min": 10, "max": 12 }, "charging": "Size-specific case; about 90 minutes.", "waterResistance": "IP68; manufacturer states 100 m.", "strengths": { "en": [ "No subscription", "Long battery claim", "Thin titanium" ] }, "caveats": { "en": [ "Proprietary sizing", "Apnea output is not diagnosis", "Gen 3 is newer" ] }, "evidence": "Conference-level sleep evidence exists; broad independent validation remains limited.", "officialUrl": "https://ringconn.com/products/ringconn-gen-2", "sources": [ { "label": "RingConn Gen 2", "url": "https://ringconn.com/products/ringconn-gen-2", "publisher": "RingConn", "kind": "official", "checked": "2026-10-06", "supports": "Price, size, battery, OS and water rating." }, { "label": "RingConn sleep assessment", "url": "https://ui.adsabs.harvard.edu/abs/2024bioc.conf..164D/abstract", "publisher": "BioCAS", "kind": "study", "checked": "2026-10-06", "supports": "Sleep comparison with polysomnography; abstract-level evidence." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "ringconn-gen-2-air", "brand": "RingConn", "name": "RingConn Gen 2 Air", "generation": "2 Air", "summary": { "en": "Lower-cost stainless-steel RingConn with core tracking but no apnea feature or charging case." }, "verdict": { "en": "A clear budget entry when its phone and size requirements fit." }, "bestFor": { "en": "Budget sleep trends without subscription." }, "useCases": [ "sleep", "general-wellness" ], "countries": { "US": "available", "CA": "limited", "GB": "limited", "IE": "limited", "BE": "unknown", "NL": "limited", "DE": "limited", "FR": "limited", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "launchPrice": { "amount": 199, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS 17+ or Android 10+.", "platforms": [ "Apple Health", "Health Connect" ], "sizes": [ "6", "7", "8", "9", "10", "11", "12", "13", "14" ], "sizing": "Use the Gen 2/Gen 2 Air sizing kit.", "weight": "2.5–4 g", "finishes": [ "Dune Gold", "Galaxy Silver" ], "sensors": [ "PPG", "Temperature sensor", "3-axis accelerometer" ], "outputs": [ "Sleep", "Heart rate and HRV", "SpO2 trends", "Stress" ], "batteryDays": { "min": 10, "max": 10 }, "charging": "Magnetic dock; about 90 minutes.", "waterResistance": "IP68; manufacturer states 100 m.", "strengths": { "en": [ "Low reference price", "No subscription", "10-day claim" ] }, "caveats": { "en": [ "No apnea feature", "Heavier steel", "Dock has no reserve battery" ] }, "evidence": "Mostly manufacturer evidence.", "officialUrl": "https://ringconn.com/products/ringconn-gen-2-air", "sources": [ { "label": "RingConn Gen 2 Air", "url": "https://ringconn.com/products/ringconn-gen-2-air", "publisher": "RingConn", "kind": "official", "checked": "2026-10-06", "supports": "Price, sizes, battery, charging, OS and water rating." }, { "label": "RingConn comparison", "url": "https://ringconn.com/pages/ringconn-gen-2-air", "publisher": "RingConn", "kind": "official", "checked": "2026-10-06", "supports": "Differences versus Gen 2." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "ultrahuman-ring-air", "brand": "Ultrahuman", "name": "Ring AIR", "generation": "AIR", "summary": { "en": "A lightweight titanium ring with broad wellness insights and no mandatory data subscription." }, "verdict": { "en": "Strong hardware, but optional paid services and changing US availability complicate the cost story." }, "bestFor": { "en": "Lightweight recovery tracking without required base membership." }, "useCases": [ "sleep", "recovery", "cycle" ], "countries": { "US": "unknown", "CA": "unknown", "GB": "available", "IE": "available", "BE": "available", "NL": "available", "DE": "available", "FR": "available", "IT": "available", "ES": "available", "PL": "available", "SE": "available", "JP": "unknown" }, "launchPrice": { "amount": 349, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "Core data has no mandatory subscription; optional services can cost extra." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS 15+ or Android 6+.", "platforms": [ "Apple Health", "Health Connect" ], "sizes": [ "5", "6", "7", "8", "9", "10", "11", "12", "13", "14" ], "sizing": "Sizing kit recommended; no half sizes.", "weight": "2.4–3.6 g", "finishes": [ "Raw Titanium", "Aster Black", "Matte Grey", "Bionic Gold", "Space Silver", "Brushed Rose Gold" ], "sensors": [ "Infrared PPG", "Temperature sensor", "6-axis motion", "Red, green and infrared LEDs" ], "outputs": [ "Sleep", "Recovery", "Movement", "Temperature trends" ], "batteryDays": { "min": 4, "max": 6 }, "charging": "Size-specific charger; about 180 minutes.", "waterResistance": "Manufacturer states 100 m.", "strengths": { "en": [ "No required base subscription", "Very light", "Broad features" ] }, "caveats": { "en": [ "Four-to-six-day claim", "Optional services add cost", "US availability unknown" ] }, "evidence": "Independent product-specific validation is less developed than Oura’s.", "officialUrl": "https://www.ultrahuman.com/ring/buy/", "sources": [ { "label": "Ring AIR specifications", "url": "https://www.ultrahuman.com/ring/buy/", "publisher": "Ultrahuman", "kind": "official", "checked": "2026-10-06", "supports": "Price, weight, sensors, battery, OS and subscription." }, { "label": "Clinical-context ring study", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC11923143/", "publisher": "PMC", "kind": "study", "checked": "2026-10-06", "supports": "Limits of consumer sleep staging as diagnosis." } ] }, { "category": "wellness-ring", "lifecycle": "preorder", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "ultrahuman-ring-pro", "brand": "Ultrahuman", "name": "Ring PRO", "generation": "PRO", "summary": { "en": "A longer-battery Ultrahuman bundled with a portable charging case and sold on a shipping timeline." }, "verdict": { "en": "Interesting for travel, but still pre-order hardware until fulfilment and independent testing are established." }, "bestFor": { "en": "Early adopters prioritising battery life." }, "useCases": [ "sleep", "recovery", "travel" ], "countries": { "US": "unknown", "CA": "unknown", "GB": "limited", "IE": "limited", "BE": "unknown", "NL": "limited", "DE": "limited", "FR": "limited", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "launchPrice": { "amount": 479, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No recurring fee for ring data is stated; optional services may differ." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android; exact minimum versions not verified.", "platforms": [ "Ultrahuman app" ], "sizes": [ "5", "6", "7", "8", "9", "10", "11", "12", "13", "14" ], "sizing": "Free kit offered; AIR size is stated to transfer.", "weight": "3.3–4.8 g", "finishes": [ "Bionic Gold", "Space Silver", "Aster Black", "Raw Titanium" ], "sensors": [ "Optical sensing", "Temperature sensing", "Motion sensing" ], "outputs": [ "Sleep", "Recovery", "Movement", "Temperature trends" ], "batteryDays": { "min": 12, "max": 15 }, "charging": "PRO case; manufacturer claims up to 45 days combined.", "waterResistance": "Manufacturer states 100 m.", "strengths": { "en": [ "Long battery claim", "Case included", "No required base subscription" ] }, "caveats": { "en": [ "Pre-order", "No independent evidence", "Fulfilment can change" ] }, "evidence": "Pre-release manufacturer information only.", "officialUrl": "https://www.ultrahuman.com/us/ring-pro/buy/", "sources": [ { "label": "Ring PRO order page", "url": "https://www.ultrahuman.com/us/ring-pro/buy/", "publisher": "Ultrahuman", "kind": "official", "checked": "2026-10-06", "supports": "Status, price, sizes, battery and subscription statement." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "Samsung Health account and Samsung Cloud handling apply.", "account": "Samsung account and Samsung Health required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "connected", "note": "No built-in GPS is stated. Workout routes use the connected phone’s GPS and require phone location services.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "samsung-galaxy-ring", "brand": "Samsung", "name": "Galaxy Ring", "generation": "1", "summary": { "en": "A Galaxy-phone-first ring feeding Samsung Health without a ring subscription." }, "verdict": { "en": "The natural choice for compatible Galaxy owners, not a general Android or iPhone ring." }, "bestFor": { "en": "Samsung Galaxy users already in Samsung Health." }, "useCases": [ "sleep", "activity", "general-wellness" ], "countries": { "US": "available", "CA": "available", "GB": "available", "IE": "available", "BE": "available", "NL": "available", "DE": "available", "FR": "available", "IT": "available", "ES": "available", "PL": "available", "SE": "available", "JP": "available" }, "launchPrice": { "amount": 399.99, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "android" ], "operatingSystems": "Compatible Samsung Galaxy phone required for the full experience.", "platforms": [ "Samsung Health", "Health Connect" ], "sizes": [ "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15" ], "sizing": "Use Samsung’s Galaxy Ring kit.", "weight": "2.3–3.3 g", "finishes": [ "Titanium Black", "Titanium Silver", "Titanium Gold" ], "sensors": [ "Optical bio-signal sensor", "Temperature sensor", "Accelerometer" ], "outputs": [ "Sleep", "Energy Score", "Heart rate", "Activity", "Cycle Tracking" ], "batteryDays": { "min": 6, "max": 7 }, "charging": "Portable case; about 90 minutes.", "waterResistance": "10 ATM and IP68 under specified test conditions.", "strengths": { "en": [ "Deep Galaxy integration", "No ring subscription", "Portable case" ] }, "caveats": { "en": [ "No iPhone support", "Compatible Galaxy required", "Limited automatic workouts" ] }, "evidence": "Clear specifications; ring-specific independent accuracy evidence remains limited.", "officialUrl": "https://www.samsung.com/us/rings/galaxy-ring/", "sources": [ { "label": "Galaxy Ring product page", "url": "https://www.samsung.com/us/rings/galaxy-ring/", "publisher": "Samsung", "kind": "official", "checked": "2026-10-06", "supports": "Price, ecosystem and water caveats." }, { "label": "Galaxy Ring specifications", "url": "https://www.samsung.com/us/support/answer/ANS10003278/", "publisher": "Samsung Support", "kind": "official", "checked": "2026-10-06", "supports": "Sizes and materials." }, { "label": "Galaxy Ring phone GPS", "url": "https://www.samsung.com/ae/support/mobile-devices/how-to-use-the-auto-detect-workouts-feature-with-the-galaxy-ring/", "publisher": "Samsung Support", "kind": "official", "checked": "2026-10-06", "supports": "Phone-assisted workout route tracking." }, { "label": "Galaxy Ring battery", "url": "https://www.samsung.com/us/support/answer/ANS10003281/", "publisher": "Samsung Support", "kind": "official", "checked": "2026-10-06", "supports": "Battery by size and charge time." } ] }, { "category": "activity-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "amazfit-helio-ring", "brand": "Amazfit", "name": "Helio Ring", "generation": "1", "summary": { "en": "A Zepp-ecosystem ring with only three sizes and four-day claimed battery life." }, "verdict": { "en": "Best for existing Amazfit users; the tiny size range is the main disqualifier." }, "bestFor": { "en": "Amazfit watch owners wanting overnight recovery data in Zepp." }, "useCases": [ "sleep", "recovery", "activity" ], "countries": { "US": "available", "CA": "unknown", "GB": "available", "IE": "available", "BE": "available", "NL": "available", "DE": "available", "FR": "available", "IT": "available", "ES": "available", "PL": "available", "SE": "available", "JP": "unknown" }, "launchPrice": { "amount": 149.99, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "Core functionality needs no subscription; regional Zepp Aura terms differ." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS 14+ or Android 7+.", "platforms": [ "Zepp App", "Apple Health", "Health Connect where supported" ], "sizes": [ "8", "10", "12" ], "sizing": "Only three sizes; kit availability varies.", "weight": "3.65–3.82 g", "finishes": [ "Titanium" ], "sensors": [ "Dual-color PPG", "Temperature sensor", "EDA", "Accelerometer", "Gyroscope" ], "outputs": [ "Sleep", "Readiness", "Heart rate and HRV", "Stress trends", "Activity" ], "batteryDays": { "min": 4, "max": 4 }, "charging": "Wireless charger; about 1 hour 40 minutes.", "waterResistance": "10 ATM manufacturer rating.", "strengths": { "en": [ "Amazfit ecosystem", "No required core subscription", "EDA sensor" ] }, "caveats": { "en": [ "Only three sizes", "Four-day claim", "Best value requires Zepp context" ] }, "evidence": "Mostly manufacturer evidence.", "officialUrl": "https://us.amazfit.com/products/amazfit-helio-ring", "sources": [ { "label": "Helio Ring specifications", "url": "https://us.amazfit.com/products/amazfit-helio-ring", "publisher": "Amazfit", "kind": "official", "checked": "2026-10-06", "supports": "Price, sizes, sensors, battery, water and OS." }, { "label": "Helio manual", "url": "https://support.amazfit.com/us/amazfit_helio_ring/imgs/electronic_manual.pdf", "publisher": "Amazfit Support", "kind": "official", "checked": "2026-10-06", "supports": "Requirements and rating." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "circular-ring-2", "brand": "Circular", "name": "Circular Ring 2", "generation": "2", "summary": { "en": "A subscription-free titanium ring centred on ECG recordings and broad wellness features." }, "verdict": { "en": "Distinctive on paper, but separate marketing from regulatory clearance and independent performance." }, "bestFor": { "en": "Buyers wanting shareable ECG recordings from a younger platform." }, "useCases": [ "sleep", "recovery", "general-wellness" ], "countries": { "US": "limited", "CA": "limited", "GB": "limited", "IE": "limited", "BE": "limited", "NL": "limited", "DE": "limited", "FR": "limited", "IT": "limited", "ES": "limited", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "launchPrice": { "amount": 349, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android; exact minimums not verified.", "platforms": [ "Circular app" ], "sizes": [ "Digital sizing; production range not reliably stated" ], "sizing": "Phone-based digital sizing; verify returns.", "weight": "From 2 g claimed", "finishes": [ "Silver", "Black", "Gold" ], "sensors": [ "Optical sensing", "Temperature", "Accelerometer", "ECG electrodes" ], "outputs": [ "ECG recordings", "Sleep", "Energy and stress", "Heart rate and HRV" ], "charging": "Not sufficiently clear in reviewed source.", "strengths": { "en": [ "ECG is unusual", "No subscription", "Lightweight claim" ] }, "caveats": { "en": [ "Details remain unclear", "Medical-adjacent marketing", "Mixed workout feedback" ] }, "evidence": "Treat ECG interpretation and wellness outputs as non-diagnostic unless exact market clearance is shown.", "officialUrl": "https://www.circular.xyz/", "sources": [ { "label": "Circular Ring 2", "url": "https://www.circular.xyz/", "publisher": "Circular", "kind": "official", "checked": "2026-10-06", "supports": "Price, material, ECG positioning and no subscription." }, { "label": "Independent review", "url": "https://www.androidcentral.com/wearables/circular-ring-2-review", "publisher": "Android Central", "kind": "independent", "checked": "2026-10-06", "supports": "Workout and feature limits." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "luna-ring-2", "brand": "Luna", "name": "Luna Ring 2.0", "generation": "2", "summary": { "en": "A no-subscription ring with multi-day battery and portable charging-case option." }, "verdict": { "en": "Promising value outside the US, but storefront and sale restrictions demand diligence." }, "bestFor": { "en": "Buyers in a verified market seeking no subscription." }, "useCases": [ "sleep", "recovery", "general-wellness" ], "countries": { "US": "unavailable", "CA": "unknown", "GB": "available", "IE": "limited", "BE": "limited", "NL": "limited", "DE": "available", "FR": "limited", "IT": "limited", "ES": "limited", "PL": "available", "SE": "limited", "JP": "unknown" }, "launchPrice": { "amount": 199, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android.", "platforms": [ "Luna app" ], "sizes": [ "6", "7", "8", "9", "10", "11", "12", "13", "14" ], "sizing": "Kit recommended; storefront process differs.", "weight": "3–5 g reported independently", "finishes": [ "Stardust Silver", "Rose Gold", "Lunar Black", "Sunlit Gold", "Midnight Black" ], "sensors": [ "PPG", "SpO2 sensing", "Temperature", "Motion" ], "outputs": [ "Sleep", "Recovery", "Heart rate and HRV", "SpO2 and temperature trends" ], "batteryDays": { "min": 4, "max": 7 }, "charging": "Dock or portable-case bundle.", "waterResistance": "Historic official material states 50 m; recheck current documentation.", "strengths": { "en": [ "No subscription", "Portable case option", "Broad sizes" ] }, "caveats": { "en": [ "Unavailable in US", "Regional storefront ambiguity", "Limited fitness depth" ] }, "evidence": "Independent hands-on coverage exists; clinical validation is not established.", "officialUrl": "https://www.lunazone.com/", "sources": [ { "label": "Luna Ring 2 store", "url": "https://band.lunazone.com/products/luna-2-0-with-dock-charger", "publisher": "Luna", "kind": "official", "checked": "2026-10-06", "supports": "Price, no subscription and metrics." }, { "label": "Independent Luna review", "url": "https://www.techradar.com/health-fitness/fitness-trackers/noise-luna-ring-gen-2-review-a-subscription-free-oura-rival-thats-solid-but-not-standout", "publisher": "TechRadar", "kind": "independent", "checked": "2026-10-06", "supports": "Weight and fitness limits." }, { "label": "US availability report", "url": "https://www.tomsguide.com/wellness/smart-rings/this-smart-ring-just-became-the-first-wearable-you-can-talk-to-and-no-its-not-oura-but-theres-a-catch", "publisher": "Tom’s Guide", "kind": "independent", "checked": "2026-10-06", "supports": "US sale restriction." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "The applicable app and privacy policy for this exact listing are not verified.", "account": "Account requirements are not verified.", "dataExport": "Health-platform integrations and data export are not verified.", "gps": { "mode": "unknown", "note": "No GPS capability was found in the reviewed Ola material; route tracking is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "ola-esporte-smart-ring", "brand": "Ola Esporte", "name": "Ola Esporte Smart Ring", "generation": "Marketplace R11C listing", "summary": { "en": "A budget marketplace ring advertised for sleep, heart-rate, blood-oxygen and activity tracking, with material documentation conflicts." }, "verdict": { "en": "Treat it as a low-cost experiment, not a blood-pressure monitor; confirm the exact app, rating, size and return terms before ordering." }, "bestFor": { "en": "Budget shoppers who accept seller, app, privacy and accuracy uncertainty." }, "useCases": [ "sleep", "activity", "general-wellness" ], "countries": { "US": "limited", "CA": "unknown", "GB": "unknown", "IE": "unknown", "BE": "unknown", "NL": "limited", "DE": "unknown", "FR": "unknown", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No paid plan is disclosed in the reviewed listing/manual material; current app terms remain unverified." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "A related Ola Esporte manual claims Android 5.0+ and iOS 10.0+; compatibility for item 3256808598715170 is not independently verified.", "platforms": [ "LuckRing app (related manual)", "SmartHealth app (alternate Ola manual)" ], "sizes": [ "7", "8", "9", "10", "11", "12", "13" ], "sizing": "No sizing kit was verified. A related manual lists sizes 7–13; use the exact listing chart and confirm return terms.", "finishes": [ "Silver", "Gold", "Black" ], "sensors": [ "Optical heart-rate and SpO2 sensing (manual claim)" ], "outputs": [ "Heart-rate trends", "SpO2 trends", "Sleep", "Steps, distance and calories" ], "batteryDays": { "min": 5, "max": 7 }, "charging": "A related manual claims magnetic charging in about one hour; the exact item package must be checked.", "waterResistance": "The listing title claims IP68 / 5 ATM, while a related Ola manual claims IP68 / 10 ATM. The conflict is unresolved; do not assume swim safety.", "strengths": { "en": [ "Budget marketplace positioning", "Sizes 7–13 claimed in related documentation", "Five-to-seven-day battery claim" ] }, "caveats": { "en": [ "Blood-pressure marketing is unsupported by the reviewed manual and is not diagnostic", "Water rating and companion app conflict across available material", "No independent accuracy validation or verified local support" ] }, "evidence": "Seller claims and related reproduced manuals only. No independent validation was found for item 3256808598715170; blood-pressure readings must not be used for medical decisions.", "sources": [ { "label": "Ola Esporte AliExpress listing", "url": "https://www.aliexpress.us/item/3256808598715170.html", "publisher": "AliExpress marketplace", "kind": "marketplace", "checked": "2026-10-06", "supports": "Exact item identity and advertised sleep, heart-rate, blood-oxygen, blood-pressure and IP68 / 5 ATM claims; live price, stock and shipping remain checkout data." }, { "label": "Ola Esporte Smart Ring manual", "url": "https://manuals.plus/ae/1005009348544697", "publisher": "Reproduced product manual", "kind": "manual", "checked": "2026-10-06", "supports": "Related Ola Esporte sizes, battery, charging, LuckRing app, monitoring and conflicting IP68 / 10 ATM claim; exact-item match is unverified." }, { "label": "Ola Esporte multifunctional ring manual", "url": "https://device.report/manual/20003612", "publisher": "Reproduced product manual", "kind": "manual", "checked": "2026-10-06", "supports": "Alternate Ola documentation naming the SmartHealth app, demonstrating variant ambiguity." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "The QRing app privacy and data-retention terms for this listing are not verified.", "account": "Account requirements are not verified.", "dataExport": "Health-platform integrations and data export are not verified.", "gps": { "mode": "none", "note": "The reviewed R11C specification states no GPS. Any route recording would therefore depend on an unverified phone/app workflow.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "r11c-smart-ring", "brand": "Unbranded", "name": "R11C Smart Ring", "generation": "R11C marketplace listing", "summary": { "en": "A budget display ring advertised for sleep, heart-rate, blood-oxygen and multi-sport tracking, sold without a stable consumer brand." }, "verdict": { "en": "The display and charging case are useful on paper, but the water-rating conflict and lack of independent accuracy testing make this a gadget, not a trusted health device." }, "bestFor": { "en": "Budget shoppers wanting a simple display ring who can tolerate app, seller and support uncertainty." }, "useCases": [ "sleep", "activity", "general-wellness" ], "countries": { "US": "limited", "CA": "unknown", "GB": "unknown", "IE": "unknown", "BE": "unknown", "NL": "limited", "DE": "unknown", "FR": "unknown", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No paid plan is disclosed in the reviewed listing/manual material; current QRing app terms remain unverified." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "The reviewed R11C manual claims Android 5.1+ and iOS 8.0+; compatibility for item 3256809470652414 is not independently verified.", "platforms": [ "QRing app" ], "sizes": [ "7", "8", "9", "10", "11", "12", "13" ], "sizing": "No sizing kit was verified. The manual lists sizes 7–13; use the exact listing chart and confirm return terms.", "weight": "3.2 g claimed for size 7; other sizes unverified", "finishes": [ "Silver", "Rose Gold", "Gun Color" ], "sensors": [ "HX3918 optical heart-rate/SpO2 sensor (manual claim)", "ST LIS2DOC motion sensor (manual claim)" ], "outputs": [ "Heart rate and SpO2", "Sleep", "Stress and HRV", "Steps, distance and calories", "Multi-sport records" ], "batteryDays": { "min": 5, "max": 7 }, "charging": "Manual claims a magnetic 15–18 mAh ring battery, about 1.5-hour charging and a 200 mAh USB-C case with roughly 11 refills.", "waterResistance": "The listing title claims IP68 / 5 ATM, while the reviewed R11C manual states 1 ATM. The conflict is unresolved; do not swim with it based on these claims.", "strengths": { "en": [ "On-ring display in reviewed R11C documentation", "Charging case included in the manual", "Five-to-seven-day battery claim" ] }, "caveats": { "en": [ "Listing and manual disagree on water resistance", "No independent accuracy validation", "Unbranded hardware makes variant, app, warranty and support continuity uncertain" ] }, "evidence": "Seller claims and a reproduced R11C manual only. The exact item page could not be independently read; health outputs are wellness estimates and not diagnosis.", "sources": [ { "label": "R11C AliExpress listing", "url": "https://www.aliexpress.us/item/3256809470652414.html", "publisher": "AliExpress marketplace", "kind": "marketplace", "checked": "2026-10-06", "supports": "Exact item identity and advertised heart-rate, blood-oxygen, sleep, multi-sport and IP68 / 5 ATM claims; live price, stock and shipping remain checkout data." }, { "label": "R11C instruction manual", "url": "https://manuals.plus/ae/1005009168809298", "publisher": "Reproduced product manual", "kind": "manual", "checked": "2026-10-06", "supports": "R11C display, sensors, sizes, battery, charging case, QRing app, no-GPS statement and conflicting 1 ATM rating." } ] }, { "category": "wellness-ring", "lifecycle": "paused", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "evie-ring", "brand": "Movano Health", "name": "Evie Ring", "generation": "1", "summary": { "en": "A women-first open-design ring whose maker paused new orders and shipments in April 2026." }, "verdict": { "en": "Relevant for existing owners, not a current buying recommendation." }, "bestFor": { "en": "Existing owners; new buyers should wait for an official resumption." }, "useCases": [ "sleep", "cycle", "general-wellness" ], "countries": { "US": "unavailable", "CA": "unknown", "GB": "unknown", "IE": "unknown", "BE": "unknown", "NL": "unknown", "DE": "unknown", "FR": "unknown", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "unknown" }, "launchPrice": { "amount": 269, "currency": "USD" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS 16+ or Android 12+; US only when sold.", "platforms": [ "Evie app" ], "sizes": [ "5", "6", "7", "8", "9", "10", "11", "12" ], "sizing": "Free proprietary kit; open design accommodates size changes.", "weight": "3.2–3.7 g", "finishes": [ "Silver", "Gold", "Rose Gold" ], "sensors": [ "Red and green LEDs", "Infrared PPG", "Temperature", "Photodiodes", "Accelerometer" ], "outputs": [ "Sleep", "Heart rate and HRV", "SpO2 trends", "Activity", "Menstrual tracking" ], "batteryDays": { "min": 4, "max": 4 }, "charging": "Portable case with 10+ claimed charges.", "waterResistance": "Manufacturer states up to 1 m.", "strengths": { "en": [ "Open design", "Women-first app", "No subscription" ] }, "caveats": { "en": [ "Orders paused", "US-only claim", "Limited water statement" ] }, "evidence": "Product claims plus a direct manufacturer pause notice.", "officialUrl": "https://eviering.com/", "sources": [ { "label": "Evie order pause", "url": "https://eviering.com/blogs/news/important-update-temporary-pause-on-new-ring-orders", "publisher": "Evie", "kind": "official", "checked": "2026-10-06", "supports": "Orders and shipments paused 10 April 2026." }, { "label": "Evie specifications", "url": "https://eviering.com/products/evie-ring", "publisher": "Evie", "kind": "official", "checked": "2026-10-06", "supports": "Price, sizes, battery, sensors and OS." } ] }, { "category": "wellness-ring", "lifecycle": "beta", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "velia-smart-ring", "brand": "Velia", "name": "Velia Smart Ring", "generation": "Beta", "summary": { "en": "A very light Swiss-designed beta ring in only four sizes." }, "verdict": { "en": "A beta purchase, not a settled mainstream recommendation." }, "bestFor": { "en": "Early adopters fitting one of four sizes." }, "useCases": [ "sleep", "recovery" ], "countries": { "US": "unknown", "CA": "unknown", "GB": "limited", "IE": "limited", "BE": "limited", "NL": "limited", "DE": "limited", "FR": "limited", "IT": "limited", "ES": "limited", "PL": "limited", "SE": "limited", "JP": "unknown" }, "launchPrice": { "amount": 469, "currency": "CHF" }, "subscription": { "amount": 0, "currency": "CHF", "period": "month", "required": false, "note": "Limited-time lifetime subscription; future terms uncertain." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android; versions not verified.", "platforms": [ "Velia app" ], "sizes": [ "6", "8", "10", "12" ], "sizing": "Free kit; only four even sizes.", "weight": "1.8–2.4 g", "finishes": [ "Silver", "Black", "Gold" ], "sensors": [ "Optical and temperature sensing; final list not verified" ], "outputs": [ "Heart-rate and HRV trends", "Sleep", "Wellness insights" ], "charging": "Real-world battery remains beta evidence.", "strengths": { "en": [ "Very low claimed weight", "Slim form", "Sizing kit" ] }, "caveats": { "en": [ "Beta", "Only four sizes", "Future subscription terms unclear" ] }, "evidence": "Manufacturer cites research; validate each feature separately.", "officialUrl": "https://veliaring.com/products/velia-smart-ring-kit", "sources": [ { "label": "Velia Smart Ring Kit", "url": "https://veliaring.com/products/velia-smart-ring-kit", "publisher": "Velia", "kind": "official", "checked": "2026-10-06", "supports": "Beta status, price, sizes, weight and subscription offer." }, { "label": "Velia collection", "url": "https://veliaring.com/collections/all", "publisher": "Velia", "kind": "official", "checked": "2026-10-06", "supports": "Current storefront and claims." } ] }, { "category": "wellness-ring", "lifecycle": "current", "priceChecked": "2026-10-06", "training": "Useful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.", "privacy": "An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.", "account": "Brand account required.", "dataExport": "Health-platform integration and export scope vary; verify the exact current app options.", "gps": { "mode": "unknown", "note": "Built-in or phone-assisted GPS route support is not verified.", "verified": "2026-10-06" }, "verified": "2026-10-06", "id": "acer-freesense-ring", "brand": "Acer", "name": "FreeSense Ring", "generation": "1", "summary": { "en": "A subscription-free titanium ring with documented hardware but limited market availability." }, "verdict": { "en": "Credible maker and basic specs, yet too region-limited for a broad recommendation." }, "bestFor": { "en": "Buyers in an explicitly served Acer channel after confirming app support." }, "useCases": [ "sleep", "recovery" ], "countries": { "US": "unknown", "CA": "unknown", "GB": "unknown", "IE": "unknown", "BE": "unknown", "NL": "unknown", "DE": "unknown", "FR": "unknown", "IT": "unknown", "ES": "unknown", "PL": "unknown", "SE": "unknown", "JP": "limited" }, "subscription": { "amount": 0, "currency": "USD", "period": "month", "required": false, "note": "No mandatory subscription for current core features." }, "phoneSupport": [ "ios", "android" ], "operatingSystems": "iOS and Android; verify local app availability.", "platforms": [ "Acer FreeSense app" ], "sizes": [ "7", "8", "9", "10", "11", "12", "13" ], "sizing": "Official kit recommended.", "weight": "2–3 g", "finishes": [ "Rose Gold", "Black" ], "sensors": [ "Optical HR and SpO2", "Temperature", "Motion" ], "outputs": [ "Sleep", "Heart rate and HRV", "SpO2 trends", "Stress and recovery" ], "charging": "Verify with the local sales package.", "waterResistance": "IP68 / 5 ATM in Acer material.", "strengths": { "en": [ "No subscription", "Seven sizes", "Established maker" ] }, "caveats": { "en": [ "No stable cross-market price", "Limited availability", "Sparse independent validation" ] }, "evidence": "Official specifications exist; independent outcome evidence is limited.", "officialUrl": "https://www.acer.com/jp-ja/about/news/20250924", "sources": [ { "label": "Acer Japan launch", "url": "https://www.acer.com/jp-ja/about/news/20250924", "publisher": "Acer Japan", "kind": "official", "checked": "2026-10-06", "supports": "Japan availability and identity." }, { "label": "FreeSense manual", "url": "https://cdn-next.cybassets.com/s/files/24116/ckeditor/attachments/Acer_FreeSense_Ring_User_Manual_v.2__EN_20251016.pdf", "publisher": "Acer", "kind": "official", "checked": "2026-10-06", "supports": "Sizing, subscription and operation." } ] } ]