HeartMirror app icon HeartMirror

Live HR & zones on your phone.

Train effectively with live heart rate from any strap, Watch or band. Track your zones, program your workouts and monitor recovery. Every workout saved to Apple Health.

Download on the App Store

For iPhone and Apple Watch. Free.

130 BPM in Zone 1, with a running timer. The Live Activity on the Lock Screen at 133 BPM, Zone 2. A 4×4 program in its recovery step. A workout summary with a switch to save it to Apple Health. History, with the last seven days by zone.

Live zones

Five zones based on your resting and max heart rate, with time spent in each.

Any monitor

Any Bluetooth strap or armband, or your Apple Watch.

Lock Screen and Dynamic Island

Keep your heart rate in view in other apps, and log intervals without unlocking.

Guided programs

4×4, Zone 2 or your own. Steps advance automatically, and your phone buzzes if you leave the target zone.

Apple Health

Workouts are saved with heart rate and calories.

Recovery

How much your heart rate drops in the minute after you stop.

History

Every workout, plus a weekly breakdown by zone.