- Which is better for sleep tracking?
- The Oura Ring 4. It is built around sleep and wellness data and is worn on the finger overnight, which many people find more comfortable than a wrist band. The Fitbit Inspire 3 does track sleep stages, SpO2 and skin temperature.
- Which lasts longer on a charge?
- The Fitbit Inspire 3, at up to 10 days typical use versus up to 7 days for the Oura Ring 4. The Inspire 3 recharges in about 2 hours.
- Is the Oura Ring 4 worth the extra money?
- Only if you want deep sleep and recovery data in a ring. At $188.97 at eBay as of November 5, 2026, it costs far more than the $36.00 Fitbit Inspire 3 at Walmart as of November 5, 2026, which covers steps, GPS and basic sleep.
- Which is better for running?
- The Fitbit Inspire 3, because it has built-in GPS for distance and a screen you can glance at. The Oura Ring 4 has no GPS, so you need your phone for distance.
- Can I wear either in the pool?
- The Fitbit Inspire 3 is waterproof to 50 meters. The Oura Ring 4 is listed as water resistant, which covers showers and splashes but not swimming.
- Which works with more phones?
- Both work with Android and iOS. The Fitbit app needs iOS 15 or higher or Android 9 or higher; the Oura Ring 4 works with Android and iOS.