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HRV4Training 3.8.9
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- Health & Fitness
HRV4Training is a scientifically validated HRV app that works without any external sensor. It helps you fine-tune your training goals with personalized feedback on how your body is doing.
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Description
HRV4Training The only scientifically validated HRV app that works without an external sensor. HRV4Training helps you reach your goals and avoid overtraining by measuring your Heart Rate Variability and giving you tailored feedback on your physical condition. No heart rate monitor is needed, since the app can accurately assess your HRV using your phone's camera.
Regarding phone compatibility: the app checks right away whether your phone is supported, so you can always request a refund if it isn't.
HRV4Training also goes beyond basic measurements and delivers insights on: 1) acute or day-to-day HRV changes caused by various stressors (alcohol, travel, sick days, training, menstruation, and more) 2) long-term, multi-parameter trends that show the bigger picture 3) correlations between physiological measurements and your notes 4) training load analysis covering fitness, fatigue, readiness to perform and injury risk 5) VO2max estimation for runners, with links to Strava or TrainingPeaks 6) Training Polarization analysis (the 80/20 approach) 7) weekly and monthly summaries to track your progress.
All data is processed within the app, so you receive practical interpretations that can help you refine your training plan and improve performance.
Other features: – HRV-based advice helps you adjust your workouts using objective measures of recovery – TAGS: log your sleep, mental energy, muscle fatigue, stress and other parameters to better understand what affects your physical condition and physiological stress – Works with Bluetooth Smart heart rate monitors (the Polar H7 is recommended) or ANT+ heart rate monitors – Configurable test duration of 1, 3 or 5 minutes – Displays the PPG signal view so you can confirm signal quality during a camera-based test – Records the following metrics while lying down and/or standing: heart rate, mean of beat-to-beat intervals (AVNN), standard deviation of beat-to-beat intervals (SDNN), square root of the mean squared difference of successive R-R intervals (rMSSD), number of successive R-R pairs differing by more than 50 ms (pNN50), low frequency power (LF, 0.04–0.15 Hz), high frequency power (HF, 0.15–0.40 Hz) – HRV4T Recovery Points, a single, straightforward score for analyzing your physical condition – Population summaries and comparisons with people like you to put your data in context – Data export via email or Dropbox – RR-interval correction – Integrates with TrainingPeaks, SportTracks, Genetrainer and Strava
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How to install
- Download the APK file above to your phone.
- Allow “Install unknown apps” when prompted.
- Open the downloaded APK and tap Install.
- If the package includes OBB/XAPK data, follow the bundled instructions.
MOD APKs are modified builds, so Play Protect may show a warning. Install only if you trust the file; use at your own risk.







