Oura Ring 4 vs Oura Ring Gen 3
4 of 7 tracked specs changed between 2021-10 and 2024-10; launch price moved from $299 to $349.
What changed: battery, sensors, health features, signature.
Launch prices are historical. Price links may earn us a commission. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
| Oura Ring 42024-10 | Oura Ring Gen 32021-10 | |
|---|---|---|
| Launch price | $349 | $299 |
| Weight (ring) | 3.3–5.2 g (by size) | |
| 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 | $5.99/mo for full insights | $5.99/mo for full insights |
| Water rating | 100 m | 100 m |
| Signature | Flush pods, accuracy leader | Daytime HR + period prediction |
Battery figures are launch-day claims.
Oura Ring 4 · Silver · Size 9
Buy on AmazonOura Ring Gen 3 · Heritage · Silver · Size 7
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