Review: Oura Ring 3 and Whoop 4.0 are 2 ambitious wearables, but they're tough sells

A focus on recovery is welcome, but not at the cost of easy activity tracking.

Oura Ring Generation 3 review: a relationship for the long term - The Verge

Xiaomi Smart Band 8 Review

Oura Ring 3 v Whoop 4.0: The key differences explained - Wareable

Oura Ring Vs Whoop: What's The Better Wearable For Fitness - SET FOR SET

April, 2022

WHOOP 4.0 vs. Oura Ring 3 vs. Fitbit Charge vs. Halo: Which Makes the Best Fitness Tracker? - Extrabux

wearables Ars Technica

Whoop 4.0 vs. Oura: which health tracker should you wear?

Review: Oura Ring 3 and Whoop 4.0 are 2 ambitious wearables, but they're tough sells

Oura Ring 3 vs. Whoop 4.0: Which One Is The Best Health Tracker?