Oura wins on comfort, battery and sleep accuracy. Whoop is the better pick only for hard-training athletes who want strain coaching.
OUR PICKOura Ring Gen 3 Horizon
Whoop 4.0
Hardware price
£349
▲£229
Subscription
≈Required
≈Required
Battery
▲~7 days
~4-5 days
Charge while wearing
No
▲Yes
Sleep-stage accuracy
▲Excellent
Good
Screen
≈None (app)
≈None (app)
Best for
Sleep and readiness
Training load
▲ Winner≈ Tie
Bottom line
If the goal is understanding sleep and recovery with something you'll forget you're wearing, Oura. If you train hard and want daily strain targets, Whoop's coaching is the more actionable product — just budget for the subscription indefinitely.