HeartBreath HRV

HeartBreath HRV

Time for slow breathing

52 ratings
22 reviews
$8.99
In-App Purchases

Details

  • Released
  • Updated
  • October 26, 2018
  • January 15, 2026
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About

This app uses your phone's camera to measure heart rate variability through guided slow breathing exercises. It provides biofeedback to help you train your autonomic nervous system for rest and relaxation. Track your progress and optimize your breathing for better well-being.

Guided slow breathing exercises
Heart rate variability measurement via camera
Customizable visual and auditory biofeedback
Live heart rate and variability display
Optimal breathing speed determination
Long-term trend evaluations
Apple Health integration
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What's New in HeartBreath HRV

3.4.6

January 15, 2026

Thanks for using HeartBreath! This version contains performance improvements and bug fixes. For any issues, please contact: info@heartbreath.app.

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In-App Purchases

$8.99

ECG Pro Features

Read/Display/Store/Analyse/Export ECG-Data

User reviews

Best biofeedback app on iOS

This app may seem unrefined at first glance, but it well and truly makes up for it in simplicity, functionality, and not trying to be a wholistic wellbeing app. There’s no unsolicited “wellbeing guidance” that leaves you feeling more stressed, It does one thing, and it does it perfectly.

Well worth the money and the internal upgrades.

I use it 3x a day for 5+ minutes each session, with a polar H10 when at home, and the camera when out and about. It’s helping me re-condition my autonomic nervous system after two decades of deconditioning and dysautonomia.

The only things that would make it better for me are:
- Apple Watch ECG as an input
- An optional HRV/time plot view
- Auto breathing rate optimisation
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Nutzlos

Ich verwende mehrere Atem Apps und teste immer wieder mal neue. Das mit dem Finger auf die Kamera legen ist für mich sinnlos, weil man die Hand in einem unnatürlichen Winkel hält, immer aufs Display schauen muss und somit ich entspannen kann. Apps mit Biofeedback sind deutlich effektiver. Bei dieser App hier bin ich mehr gestresst als das es hilft. Da gibt es besser Apps.
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Was da los mit Apple Watch?

Eigentlich ganz gut, aber ich frage mich, warum es keine Apple Watch integration gibt?

Super

Schade, dass es nicht mit der Apple Watch funktioniert. Sonst 10/10

Apple Watch

Die App ist wirklich sehr genial und ich würde mir von ganzem Herzen wünschen, dass sie auch auf der Apple Watch funktioniert, damit man kein zusätzliches Tool benötigt, um die HRV zu messen.

Developer apps

FAQ

What does HeartBreath HRV do?

HeartBreath HRV is a biofeedback tool that guides you through slow breathing exercises to improve your heart rate variability (HRV). It helps you train your autonomic nervous system for better rest and relaxation by measuring and displaying your heart rate intervals during breathing.

How does the app measure heart rate variability?

The app utilizes your phone's camera by having you place your finger on the lens to detect your heartbeats. For enhanced accuracy, it also supports optional external heart rate monitors like the Polar H10, allowing for true ECG data recording and comparison.

Is HeartBreath HRV free to use?

The app is free to download and use with in-app purchases available. This allows you to access its core features for measuring and training your HRV, with optional purchases for advanced functionalities or content.

What devices is HeartBreath HRV compatible with?

The app is designed for iPhones and iPods, with specific functionality for iPad models that have a flash. It also integrates with the Apple Health app, allowing for seamless data sharing with your existing health ecosystem.

What are the benefits of using HeartBreath HRV?

By using HeartBreath HRV, you can measure and train your heart rate variability, which is linked to good autonomic balance and parasympathetic nervous system activity (rest and relaxation). The app helps you find your optimal breathing speed and track trends over time for improved well-being and stress management.