Whoop

Whoop is a wearable system for monitoring health and fitness. It captures physiological signals and analyzes them in a mobile app to help you track recovery, training load, and sleep quality. All insights, reports, and recommendations are available on your smartphone.

Key features

• Measures heart rate, heart rate variability (HRV), blood oxygen, and skin temperature
• Sleep analysis: stages, duration, and recovery effectiveness
• Training load assessment using the Strain metric
• Personalized guidance for recovery and training

Requirements and device details

• Works with iOS and Android
• Subscription required to access analytics and features
• No screen: data is available only in the app
• Wireless charging; battery life up to 5 days
• Water and dust resistance (IP68)

Common use cases

• Athletes monitor recovery between workouts
• Users review sleep reports to adjust daily routines
• Tracking helps identify how stress and fatigue affect performance
• Coaches use client data to fine-tune training plans