Oura · current · checked 2026-10-06

Oura Ring 4 Ceramic

Choose it for material and color, not extra health capability.

Best fit

Buyers who prefer ceramic and accept more weight plus membership.

Decision summary

Strengths

  • Ceramic finishes
  • Wide sizes
  • Mature software

Limitations

  • Heavier and thicker
  • No extra sensing
  • Membership cost

Cost

Ownership cost

Hardware plus the currently required plan, using the dated reference price. Tax, shipping, optional services and replacements are excluded.

$470.881 year
$542.762 years
$614.643 years
Requiredmandatory plan

Full insights require Oura Membership.

Fit and hardware

What you wear

SizingUse the Ring 4 sizing kit.
Sizes4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
Weight5.1–8.1 g
FinishesMidnight, Cloud, Tide, Petal
SensorsRed, green and infrared LEDs; Photodetectors; Temperature sensor; Accelerometer
OutputsSleep; Readiness; Activity; Cycle insights
GPS and routesNo built-in GPS is stated. Supported routes, distance and pace use the phone’s location services; the phone must be carried. Checked 2026-10-06.
ChargingSize-specific charger; typically 20–80 minutes.
WaterManufacturer states 100 m.
Strength trainingUseful for passive trends, not live workout guidance. Remove metal rings for loaded grip work to reduce pressure, scratching and injury risk.

Compatibility and data

App and account

Compatibility

iOS and Android.

Platforms: Apple Health, Health Connect, Strava

Data handling

An account and cloud-connected app are used; review the current privacy and deletion controls before connecting third-party services.

Brand account required. Health-platform integration and export scope vary; verify the exact current app options.

Buying options

Check your market

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United States

available

An official channel was verified on the check date.

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Evidence

Sources and limits

Uses Ring 4 sensing; evidence is not ceramic-specific.

Not medical advice. Consumer wellness signals cannot diagnose or exclude a condition. Discuss concerning symptoms or readings with a qualified clinician.