Platforms
IOS, ANDROID, DESKTOP
Free Tier
Yes
Paid Price
Free (7-day trial), sensor $160+ (optional)
Sensors
2 supported
The Verdict
Different from other apps—focused on training coherence rather than tracking HRV trends. The newer app measures HRV via your phone's camera with a 7-day free trial, so you no longer need the sensor to get started. Excellent for stress management and meditation practice, but not a traditional HRV monitoring solution.
Features
- Real-time coherence biofeedback
- Camera-based HRV measurement
- Guided breathing exercises
- Coherence training games
- Session history
Pros
- Excellent biofeedback training
- Proven stress reduction protocol
- Real-time visual feedback
- Works with just your phone camera
- Desktop app available
Cons
- Proprietary sensor optional but recommended for best accuracy
- Sensor is an expensive add-on
- Less focus on tracking trends
- Dated interface design
Coherence Training
HeartMath's approach centers on "coherence"—a state where your heart rhythm, breathing, and blood pressure synchronize. The app provides real-time feedback to help you achieve and maintain this state.
The Science
HeartMath has published peer-reviewed research on coherence training's effects on stress, focus, and emotional regulation. It's a legitimate protocol, though distinct from passive HRV monitoring.
Compatible Sensors
- Heartmath Sensor
- Phone Camera (no sensor needed)