How well do you know your own heartbeat? Find out by completing your daily Heartio!
Your Apple Watch reads your live heart rate in real time.
Dial in what you think your BPM is. Trust your instincts.
The closer your guess, the higher you score. Earn up to 33 points daily.
Build streaks, compete globally, and prove your body awareness.
Real-time heart rate via HealthKit
Fresh scoring cap every 24 hours
Keep your streak alive day after day
Compete against players worldwide