Free forever · iOS only · No subscription
No subscription · iPhone only Get pro-level recovery analytics, TRIMP scores, and HRV tracking using just your iPhone camera. No wearable. No subscription. No credit card.
Download Free AppFree to download. No subscription. Core tracking features are free forever.
4.8 ★
App Store
FREE
No subscription
91 BPM
Detected ✓
iPhone-Only. No Wearable. No Subscription.
Everything you need to track heart rate, HRV, and recovery trends — using only your iPhone camera. No hardware, no monthly fees, no paywalls.
Free
No subscription
No trial period
4.8
App Store
1,200+ ratings
Syncs with Apple Health. Instantly.
Import your workouts from Apple Health to combine activity history with camera-based readings. Every measurement syncs back to your health dashboard automatically.
How it works
Install the app for free. No subscription required for core heart rate logging and HRV tracking — ever.
Place your fingertip gently over the rear camera lens. The app uses photoplethysmography (PPG) to read your pulse in real time using the built-in flash.
Take a 60-second resting measurement each morning before getting out of bed to build a consistent recovery trend over time.
Check your weekly HRV, resting heart rate, and training load charts to understand how your body responds to workouts and sleep — all without a wearable.
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Read guideFree iOS Download
Your iPhone camera is all you need. No wearable, no subscription, no credit card. Just download and take your first reading in 60 seconds.
Download Free AppFor fitness and wellness purposes only. Not intended for medical diagnosis or treatment.