What are the best smart rings: Oura, Samsung Galaxy Ring, Ultrahuman, or RingConn?

Choosing between Oura, Samsung Galaxy Ring, Ultrahuman, and RingConn mostly comes down to your phone, whether you want a subscription, and which health features matter most.

Quick comparison

• Oura: Often the most polished overall experience, especially for sleep and recovery tracking. It uses a subscription for full features, and pricing can vary by region and over time.
• Samsung Galaxy Ring: Best fit for Samsung/Galaxy phone users and other Android users who want tight Samsung Health integration. It is not compatible with iPhone/iOS and does not require a monthly subscription.
• Ultrahuman Ring Air: A strong subscription-free option for people who want performance, recovery, and metabolic-focused insights.
• RingConn: Often the best value pick if you want no subscription and very strong battery life. Real-world battery life varies by usage, so exact runtime can differ.

Simple picks by user type

• Best overall / most mature app ecosystem: Oura
• Best for Samsung phone owners: Samsung Galaxy Ring
• Best subscription-free performance-focused option: Ultrahuman Ring Air
• Best value + battery life: RingConn

Important caveat

Ring offerings change quickly, so verify the current model generation, app features, sizing, and subscription terms before buying. Smart ring sizing usually does not match normal jewelry sizing, and the rings typically cannot be resized.