Whoop 4.0

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

Whoop 4.0

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The basics

Brand
Whoop
Line
Recovery
Released
2021-09
Launch price
$30/mo membership
Previous family release
Whoop 3.0
Family
Whoop

Smaller silk-knit band, five-day battery

WHOOP 6.0: rumors & release windowSearch mentions

Release history

  1. 2025-05Whoop 5.0 / MG
  2. 2021-09Whoop 4.0
  3. 2019-05-22Whoop 3.0

Video coverage

Is Whoop 4.0 Worth The Hype?James Smith · Thu, 21 Sep 2023Whoop 4.0 In-Depth Review // Accuracy and the AlgorithmDesFit · Wed, 21 Sep 2022I explored the Whoop 4.0 band in detail - My Experience.Techy Pathshala · Tue, 04 Nov 20256 months Whoop 4.0: My life has changed.ORBIT · Fri, 20 Sep 2024

All 53 videos

Whoop generation comparison

Full compare page

Launch prices are historical. Price links may earn us a commission. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.

Whoop 5.0 / MG2025-05Whoop 4.02021-09Whoop 3.02019-05
Launch price$199–$359/yr membership$30/mo membership$30/mo membership
Weight
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, $30/mo
Water rating10 ATM10 ATM—
SignatureTwo-week battery, paywalled tiersSilk-knit band, five-day batteryOn-wrist battery swap

Battery figures are launch-day claims.