Best Fitness Trackers · head-to-head
Fitbit Charge 6 vs Oura Ring 4
A sourced, side-by-side spec comparison. Fitbit Charge 6 is cheaper at $159.95. Every spec and price links to its source.
Side by side
| Fitbit Charge 6 | Oura Ring 4 | |
|---|---|---|
| US price | $159.95 (US MSRP at launch Oct 12 2023 ($159.95 official Google Store price). Fitbit Premium is optional ($9.99/month or $79.99/year); 6 months included free with purchase.) | $349 (US starting price for titanium finish. Ceramic models are higher. Plus mandatory Oura Membership at $5.99/month ($69.99/year) after first free month.) |
| Brand | Fitbit (Google) | Oura |
| Released | 2023-10 | 2024-10 |
| form factor | band | ring |
| display | AMOLED 1.04in | — |
| battery days | 7 | 8 |
| gps | true | false |
| spo2 | true | true |
| ecg | true | false |
| subscription required | false | true |
| water resistance m | 50 | 100 |
| release | 2023 | 2024 |
Sources — Fitbit Charge 6: androidauthority.com (verified 2026-06-15). Oura Ring 4: support.ouraring.com (verified 2026-06-15).