Reviews.

The Leep Ring 1 review: a British sleep-first smart ring that undercuts Oura, with no subscription and ~8-day battery. Is the budget pick worth it?

Editorial review of the Noise Luna Ring: a £219 subscription-free smart ring with accurate sleep tracking but short battery life and patchy activity data.

Editorial review of the RingConn Gen 2 Air: a 2.5 g, subscription-free smart ring that nails battery and value but drops sleep apnoea tracking.

Research-led Movano Evie Ring review for the UK: women's health focus, cycle and fertility tracking, an open adaptive design, and no subscription.

Is the Circular Ring 2 worth it? An editorial review of its ECG, no-subscription model and 6-8 day battery - and the buggy app that holds it back.

Is the Oura Ring 5 worth £399 plus a membership? An editorial review of the smallest smart ring yet - battery, new sensors and who should upgrade.

Circular Ring Slim review UK 2026: £225 French smart ring, 2.2mm slim, no subscription. Honest about tracking accuracy + app issues vs Oura.

COLMI R02 review UK 2026: £30-£60 budget smart ring. Honest take - step + HR tracker, sleep/HRV directional only, 6-12 month service life.

Research-led RingConn Gen 3 review: the new vibration motor and vascular insights, 10-14 day battery, no subscription, and how it compares with Oura.

Research-led review of the 2026 Ultrahuman Ring Pro: 15-day battery, titanium unibody, £419, no subscription, and how it compares to the Oura Ring 4.

Amazfit Helio Ring review: no subscription, ~£279 UK price, 4-day battery, integrates with Zepp app. Honest comparison vs Oura, Ultrahuman, RingConn.

Editorial review of the Samsung Galaxy Ring - UK pricing, no subscription, deep Galaxy-phone integration, and the iOS gap to watch before buying.

Research-led RingConn Gen 2 review - UK pricing, sleep accuracy versus Oura and Ultrahuman, 10-day battery, and whether the value pick is the smart pick.

Research-led Ultrahuman Ring Air review - UK pricing, sleep and HRV accuracy versus Oura, the no-subscription angle, and who should buy it.

Research-led Oura Ring 4 review, updated for mid-2026: real-world battery, the new size range, the unchanged membership, and the Ring 5's arrival.