Oura Ring 4 vs Oura Ring Gen 3
4 of 6 tracked specs changed between 2020-10 and 2024-10; launch price moved from $299 to $349.
What changed: battery, sensors, health features, signature.
| Oura Ring 42024-10 | Oura Ring Gen 32020-10 | |
|---|---|---|
| Launch price | $349 | $299 |
| Battery | up to 8 days | up to 7 days |
| Sensors | Flush IR, SpO2 and thermistor pods | HR, HRV, SpO2, skin temp |
| Health features | Sleep staging, heart-health dashboard | Daytime HR, period prediction |
| Membership | Optional, $5.99/mo | Optional, $5.99/mo |
| Water rating | 100 m | 100 m |
| Signature | Flush pods, accuracy leader | Daytime HR + period prediction |
Battery figures are launch-day claims.
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