✓ PROS
- • Sleek, lightweight ring design
- • High accuracy sleep staging and temperature tracking
- • Seamless daytime heart rate and HRV monitoring
- • 7-day battery life with quick charging
✗ CONS
- • Requires a monthly subscription ($5.99/mo) for full data
- • Easy to lose compared to a wrist-based tracker
Testing Score Breakdown
comfort
9.8/10
accuracy
9.5/10
battery
9/10
Full Hands-On Review
The Oura Ring Gen 4 shifts sensors from the wrist to the finger, obtaining cleaner heart rate and temperature metrics directly from digital arteries.