Head to head
Compare
| Polar Loop | Oura Ring 4 | |
|---|---|---|
| Overall | 8.2 | 8.9 |
| Sleep | 8.0 | 9.7 |
| Recovery | 8.3 | 9.2 |
| Training | 8.2 | 7.9 |
| Battery | 8.3 | 8.4 |
| Comfort | 8.1 | 9.3 |
| Battery life | 8 days | 8 days |
| Price | $199 | $349 |
| Membership | None | Required |
Head to head
| Polar Loop | Oura Ring 4 | |
|---|---|---|
| Overall | 8.2 | 8.9 |
| Sleep | 8.0 | 9.7 |
| Recovery | 8.3 | 9.2 |
| Training | 8.2 | 7.9 |
| Battery | 8.3 | 8.4 |
| Comfort | 8.1 | 9.3 |
| Battery life | 8 days | 8 days |
| Price | $199 | $349 |
| Membership | None | Required |