The Four Best Smart Rings

Oura Ring Gen 3

• ✓Most validated sleep and recovery algorithm in the smart ring category
• ✓HRV and resting heart rate data beats most wrist wearables for accuracy
• ✓No display means the ring never needs attention — it just works

• ✗Requires $6/mo subscription after the first 6 months
• ✗No built-in GPS — must be paired with a phone for workout tracking

Samsung Galaxy Ring

• ✓Free (no subscription) — all features unlocked with Samsung Health
• ✓Best energy management score combines sleep, activity, and recovery in one number
• ✓Thinnest smart ring on the market at 2.1mm wall thickness

• ✗Full feature set requires a Samsung Galaxy phone
• ✗Sleep staging less granular than Oura on non-Samsung phones

RingConn Gen 1

• ✓No ongoing subscription — one-time purchase unlocks all features
• ✓Week-long battery means you only charge once on Sunday
• ✓Sleep apnea detection trained on 100k+ clinical datasets

• ✗5 ATM only — not suitable for scuba or deep diving
• ✗App UI and data visualization less polished than competitors

Ultrahuman Ring Air

• ✓Movement Index combines strain, recovery, and sleep into a single number
• ✓Real-time fatigue alerts during workouts via paired devices
• ✓Lighter than Oura — 4g vs 6g makes a difference on long wears

• ✗Requires paid subscription for full ring insights ($10/mo)
• ✗Platform less mature than Oura — some features still in beta