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Oura Oura Ring 4 vs Movano Evie Ring
Oura Oura Ring 4 ($349) vs Movano Evie Ring ($269) — side-by-side specs, weight, pros and cons to help you pick the right smart ring.
Spec-by-spec
| Spec | Oura Oura Ring 4 | Movano Evie Ring |
|---|---|---|
| Price | $349 | $269 |
| Weight | 6g | 3g |
| Form | Ring (sizes 4–15) | — |
| Battery | 8 days | 4 days |
| Sensors | HRV, Temp, SpO2, HR | PPG, SpO2, Temp, Accel |
| Subscription | $5.99/mo | — |
| WR | 100m | 1ATM |
| Weight | 4–6g | — |
| Material | — | Medical-grade alloy |
| Sub | — | None (free app) |
| FDA | — | Registered |
Pros & Cons
Oura Oura Ring 4
- Most discreet health tracker
- 8-day battery
- Excellent HRV + sleep data
- No wrist bulk
- Works alongside any watch
- Subscription required $5.99/mo
- No display
- Ring sizing requires order kit
Movano Evie Ring
- FDA-registered medical device
- Cycle phase + fertility tracking
- No subscription
- Women-first design philosophy
- SpO2 + HRV + temperature
- 1ATM WR (splash only)
- 4-day battery
- Smaller community than Oura/Samsung
Movano Evie Ring is the better value at $269. Both are part of our curated smart ring index — tap through to check current pricing.