Heart Rate Fragmentation1.7 - App Store
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Publisher Description
Is your heart rhythm getting choppy?
Heart Rate Fragmentation turns a 30‑second Apple Watch ECG into an early‑warning Stress & Recovery Score-an ECG‑based stress check you can run every morning. All findings are backed by published studies (referenced inside the app).
Why Heart Rate Fragmentation > Heart Rate Variability?
. Heart Rate Variability is skewed by - movement, breathing, and extra or missed heart beats.
. Heart Rate Fragmentation can identify micro‑transitions to reveal true heart rhythm smoothness and information on how effective your heart rate adapts even when the trace looks normal.
Key Metrics
. PIP (Percentage Inflection Points) - overall smoothness.
. Heart rate patterns: Waves (Smooth, Moderate, and Choppy) and turn transitions (gentle and hard) show how your heartbeat adjusts moment‑to‑moment.
. VFI (Vagal Fragmentation Index) - ‘rest and digest’ strength.
Based on emerging peer‑reviewed research; not yet a clinical standard.
How to Record
1. Open the ECG app on Apple Watch and rest for 30 s.
. Need extra precision? High‑Precision Mode lets you record back‑to‑back sessions.
2. Tap Extract Latest ECG Data in Heart Rate Fragmentation app to see results.
3. Short‑term (7‑30 days), persistent (31‑60 days) and chronic (61-90 days) trends are tracked automatically.
Who it’s for
. Athletes wanting deeper recovery insight.
. Professionals tracking chronic stress.
. Researchers & biohackers.
Disclaimer: Heart Rate Fragmentation provides wellness information and is not a substitute for professional medical advice.
Download Heart Rate Fragmentation now and discover whether your heart is running smooth or choppy-in just 30 seconds!
• Improved stress and recovery interpretation using Mann-Kendall trend analysis
• Now detects statistically significant trends in VFI (Vagal Fragmentation Index)
• User feedback reflects both trend direction and current VFI value
• More accurate and personalized insights on stress and recovery changes
About Heart Rate Fragmentation
The company that develops Heart Rate Fragmentation is Austin Miller. The latest version released by its developer is 1.7.
To install Heart Rate Fragmentation on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2025-07-01 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Heart Rate Fragmentation as malware if the download link is broken.
How to install Heart Rate Fragmentation on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Heart Rate Fragmentation is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Heart Rate Fragmentation is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.7
posted on 2025-07-01
• Improved stress and recovery interpretation using Mann-Kendall trend analysis
• Now detects statistically significant trends in VFI (Vagal Fragmentation Index)
• User feedback reflects both trend direction and current VFI value
• More accurate and personalized insights on stress and recovery changes
version 1.7
posted on 2025-07-01
Jul 1, 2025
Version 1.7
• Improved stress and recovery interpretation using Mann-Kendall trend analysis
• Now detects statistically significant trends in VFI (Vagal Fragmentation Index)
• User feedback reflects both trend direction and current VFI value
• More accurate and personalized insights on stress and recovery changes
version 1.6
posted on 2025-06-15
Jun 15, 2025
Version 1.6
Clearer Trend Analysis:
• The app now compares your daily VFI values directly to show more accurate trends in your stress and recovery patterns. This makes it easier to understand if you're improving, staying stable, or need to adjust your habits.
version 1.5
posted on 2025-06-11
Jun 11, 2025
Version 1.5
• All valid VFI (Vagal Fragmentation Index) values are now always included in your exported data, perfectly matching what you see in the app. No more missing or misaligned VFI values!
• Get immediate trend feedback (“improving”, “declining”, or “stable”) even with just a few days of data. More robust statistical analysis kicks in automatically as you collect more readings.
• All VFI calculations and data processing now happen in the background, keeping the app fast and responsive.
• The info (“i”) button next to the VFI on the main screen has been removed for a simpler, cleaner display.
• Fixed issues with missing, duplicate, or outdated VFI values in exports and improved overall data integrity.
Disclaimer
Official App Store Link
We do not host Heart Rate Fragmentation on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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