Oura Ring Gen 3 vs Oura Ring Gen 2
5 of 6 tracked specs changed between 2018-11 and 2020-10; launch price moved from $299 to $299.
What changed: sensors, health features, membership, water rating, signature.
| Oura Ring Gen 32020-10 | Oura Ring Gen 22018-11 | |
|---|---|---|
| Launch price | $299 | $299 |
| Battery | up to 7 days | up to 7 days |
| Sensors | HR, HRV, SpO2, skin temp | IR HR, HRV, temp deviation |
| Health features | Daytime HR, period prediction | Sleep staging, Readiness |
| Membership | Optional, $5.99/mo | — |
| Water rating | 100 m | — |
| Signature | Daytime HR + period prediction | The Kickstarter darling goes retail |
Battery figures are launch-day claims.