50C
Oura
Oura Ring 4
$349
MSRP
Store rating?
-
no data
Community rating?
-
verified owners
TrustScore?
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overall
A health tracking ring with AI-driven sleep, readiness and cardiovascular insights.
Smart ring that tracks sleep, activity, and readiness. A paid Oura membership is required to access the full scores and the AI advisor. The hardware collects biometric data continuously for those insights.
AI capabilities
Hybrid on-device + cloud
Oura Advisor (cloud LLM)
The brain
Oura Advisor (cloud LLM)
Offline behaviour
Partly offline
Subscription
Required for AI
Privacy
See notes
Support
Supported
Sensor data syncs to Oura's cloud; membership powers the AI health advisor.
What breaks without the subscription?
2 of 3 AI features stop working if you cancel.
- Sleep stagingoffline
- Readiness scoresub
- AI health advisorsub
Technical specifications
Battery
- Life
- up to 8 days
Sensors
- Type
- PPG, temperature, SpO2