HRV4Training

Tags

Palette

Sizes

On the home screen

Streaks

HRV4Training

Gentler Streak Workout Tracker

Streaks

HRV4Training

Gentler Streak Workout Tracker

App info

Developer

A.S.M.A. B.V.

Category

Health & Fitness

Price

$9.99

Rating

3.6 (288)

Age rating

4+

Version

8.6.5

First released

Aug 14, 2013

Last updated

Sep 23, 2026

About the app

The first scientifically validated Heart Rate Variability (HRV) app. HRV4Training provides HRV based insights to help you quantify stress, better balance training and lifestyle, and improve performance. HRV4Training does not require a heart rate monitor, since it can accurately assess your HRV using the phone's camera. HRV4Training also works with Apple Watch, the Oura ring and all compatible Bluetooth SMART sensors. HRV4Training is also the first app that goes beyond simple measurements and provides insights on: 1) acute or day to day HRV changes in response to different stressors (alcohol, travel, sick days, training, menstruation, etc.) 2) long term multi-parameter trends to look at the big picture 3) correlations between physiological measurements and annotations 4) training load analysis, fitness, fatigue, readiness to perform and injury risk 5) VO2max estimation for runners