Both the WHOOP 3.0 and 4.0 provide members with innovative data to help users unlock human performance. So why upgrade to 4.0? Below is an overview of the key features each WHOOP version offers.


WHOOP 3.0 

WHOOP 4.0 

Water-resistant up to 30 meters

Water-resistant up to 30 meters and 33% smaller 

Modular Battery Pack

Water-Resistant Modular Battery Pack (Up to 10 meters) 

Requires threading the strap through the buckle yourself

Band comes pre-threaded with a Fast Link Clasp

Sleep Coach

Sleep Coach with Haptic Alerts

Optical PPG Heart Rate Sensor with 2 LEDs and 1 Photodiode

Next-Gen Heart Rate Sensor with 5 LEDs and 4 Photodiodes

Bluetooth Low Energy

Improved Bluetooth Low Energy for stronger connectivity

Compatible with WHOOP Body

ANY-WEAR® Detection Technology 

Pulse Oximeter

Skin Temperature Sensor

Micro USB Charger

USB-C Charger

Battery pack built with a double-tap function that enables you to see charge percentage

Bands & Kits sold separately

Bands & Clasps sold together


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