90
Tom's Guide
Publisher score: 4.5/5 · 58mo ago
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Fitness TrackersHybrid & FitnessBest value
Whoop 4.0
$239 · Screen-free recovery & strain strap / On-wrist battery pack · 5y 2m old
86
Review
Radar
Image credit: Whoop 4.0 official studio product image
Editor's Verdict
Our Take
SS
By stripping away screens, watch faces, and buzzing notifications altogether, the Whoop 4.0 focuses 100% on continuous 24/7 biometric recovery, sleep staging, and cardiovascular strain. Its slide-on waterproof battery pack means you never take the strap off to charge, and its HRV/strain coaching remains the gold standard for competitive athletes—provided you are comfortable with its ongoing annual membership model.
Sanjiv Sathiah · Managing Editor
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Most positive review signal
Tom's Guide scored Whoop 4.0 90/100.
Tom's Guide · 90
Most cautious review signal
TechRadar scored Whoop 4.0 80/100.
TechRadar · 80
Tech publication reviews
86
WareableRead review ↗
“The Whoop 4.0 pairs Screen-free wearable strap & Any-Wear body sensor pod hardware with dependable heart-rate and recovery analytics for iOS & Android via Whoop App (Hardware included with annual Whoop Membership) users.”
Publisher score: 4.5/5 · 62mo ago
86
DC RainmakerRead review ↗
“Across structured interval workouts, outdoor GPS tracks, and overnight HRV logging, the Whoop 4.0 proves a consistent performer with 4 to 5 days per charge with slide-on waterproof wireless battery pack (never remove to charge).”
Publisher score: 8.6/10 · 62mo ago
80
TechRadar
Publisher score: 4/5 · 58mo ago
Additional review coverage
TechRadarCoverage
Whoop 4.0 review
Source page · 58mo ago
Tom's GuideCoverage
Whoop 4.0 review
Source page · 58mo ago
WareableCoverage
Whoop 4.0 in-depth review: fitness tracking and sleep accuracy
“The Whoop 4.0 pairs Screen-free wearable strap & Any-Wear body sensor pod hardware with dependable heart-rate and recovery analytics for iOS & Android via Whoop App (Hardware included with annual Whoop Membership) users.”
Source page · 62mo ago
DC RainmakerCoverage
Whoop 4.0 In-Depth Review: GPS & Optical HR Accuracy Analysis
“Across structured interval workouts, outdoor GPS tracks, and overnight HRV logging, the Whoop 4.0 proves a consistent performer with 4 to 5 days per charge with slide-on waterproof wireless battery pack (never remove to charge).”
Source page · 62mo ago
86
Whoop 4.0