Whoop 4.0

Whoop 4.0 launched Sep 2021 at $30/mo membership. Smaller silk-knit band, five-day battery

Whoop 4.0

The basics

Brand
Whoop
Line
Recovery
Released
2021-09
Launch price
$30/mo membership
Replaces
Whoop 3.0
Family
Whoop
Official site
dcrainmaker.com ↗

Smaller silk-knit band, five-day battery

Next generation windowSearch mentions

Release history

  1. 2025-05Whoop 5.0 / MG
  2. 2021-09Whoop 4.0
  3. 2019-11Whoop 3.0

Video coverage

All 25 videos
▶Is Whoop 4.0 Worth The Hype?James Smith · Thu, 21 Sep 2023▶Whoop 4.0 In-Depth Review // Accuracy and the AlgorithmDesFit · Wed, 21 Sep 2022▶6 months Whoop 4.0: My life has changed.ORBIT · Fri, 20 Sep 2024▶WHOOP 4.0: Ultimate Beginner's GuideShervin Shares · Fri, 20 Sep 2024

Whoop generation comparison

Full compare page
Whoop 5.0 / MG2025-05Whoop 4.02021-09Whoop 3.02019-11
Launch price$199——
FormSmaller band, wireless chargingSmaller silk-knit band + battery packBand + on-wrist battery pack
Battery14+ days~5 days~3 days
SensorsHR, HRV, SpO2, skin temp; MG adds ECG and blood-pressure insightsHR, HRV, SpO2, skin tempHR, respiratory rate
MembershipRequired, $199–$359/yrRequired, $30/moRequired
Water rating10 ATM10 ATM—
SignatureTwo-week battery, paywalled tiersSilk-knit band, five-day batteryOn-wrist battery swap

Battery figures are launch-day claims.