ELLIPSIS
Performance Tech
WHOOP product

WHOOP 4.0

Recovery-first strap tracking HRV, sleep, and day strain with a strong habit loop and coaching nudges.

WHOOP logo
Score
8.7/10
Specs
  • Category: Wearable
  • Focus: Recovery • HRV • Strain
  • Battery: Up to ~5 days (on use)
  • Water: Water-resistant
  • App: iOS • Android
  • Form: Strap (no screen)
Score breakdown
Accuracy8.6/10
Usability8.8/10
Value8.0/10
Performance Impact9.0/10
Best for
  • Athletes prioritizing recovery and daily readiness
  • Teams co-ordinating load management across a season
  • People who benefit from coaching nudges & habit tracking
Not ideal for
  • Anyone who dislikes subscriptions
  • Athletes needing an on-device screen for workouts
  • Those who want detailed GPS/splits on device
Pros
  • Excellent readiness & strain framework for behavior change
  • Solid HRV and sleep tracking with actionable guidance
  • Team/coach features and community challenges
Cons
  • Subscription required for core features
  • No screen; in-workout feedback is limited
  • Occasional variance vs. chest-strap during intervals
Verdict

A top pick for recovery-first athletes and teams. Use WHOOP for sleep/readiness and habit loops; pair with a GPS watch or chest strap for precision workout metrics.

Alternatives
  • Oura Ring Gen3: More discreet 24/7 wear; best-in-class sleep & readiness.
  • Garmin Forerunner 965: Unrivaled GPS and training load; great for endurance blocks.
  • Polar H10 + App: Gold-standard HR for interval accuracy; no all-day coaching.
Last updated Oct 2025