Whoop 5.0 / MG vs Whoop 4.0

5 of 7 tracked specs changed between 2021-09 and 2025-05.

What changed: form, battery, sensors, membership, signature.

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 / MG2025-05	Whoop 4.02021-09
Launch price	$199–$359/yr membership	$30/mo membership
Weight
Form	Smaller band, wireless charging	Smaller silk-knit band + battery pack
Battery	14+ days	~5 days
Sensors	HR, HRV, SpO2, skin temp; MG adds ECG and blood-pressure insights	HR, HRV, SpO2, skin temp
Membership	Required, $199–$359/yr	Required, $30/mo
Water rating	10 ATM	10 ATM
Signature	Two-week battery, paywalled tiers	Silk-knit band, five-day battery

Battery figures are launch-day claims.

Whoop 5.0 / MG · WHOOP 5.0 · Peak · 12-month membership with device
Buy on Amazon
Whoop 4.0
Search Amazon

As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.