Heart Rate Variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats, measured by the variation in the beat-to-beat interval. HRV reflects your body’s ability to adapt to stress and maintain balance. This app provides an in-depth analysis of HRV SDNN values, as well as key metrics like Resting Heart Rate (RHR), HRV Readiness Score, and Recovery Ratio, recorded by your Apple Watch.
What is HRV?
HRV describes your body’s ability to adapt the frequency of your heart rhythm to meet current demands. A healthy individual constantly adjusts their heart rhythm, reflecting resilience and adaptability. Regular tracking of HRV, RHR, and related metrics offers valuable insights into your stress levels, recovery, and overall cardiovascular health.
Key Features:
- HRV Analysis: View your HRV SDNN values, providing insights into your physiological state.
- RHR Monitoring: Track your Resting Heart Rate, a critical indicator of cardiovascular fitness and recovery.
- HRV Readiness Score: Assess your body’s readiness to perform based on HRV trends and patterns.
- Recovery Ratio: Understand how well your body is recovering from stress or physical activity.
Data Integration:
The app seamlessly connects with Apple’s Health app to display your recorded data on:
Apple Watch: A dedicated app and complication for quick insights.
iPhone: A user-friendly interface to analyze trends and progress.
How to Use:
Compatibility: The app requires an Apple Watch Series 3 or later.
Recording HRV Data: Use the Apple Breath App or other mindfulness apps to measure HRV values.
Consistency Matters: For accurate trends, measure HRV, RHR, and Recovery Ratio consistently in similar conditions, such as "first thing in the morning" before starting your day.

This app utilizes advanced AI technology to provide context-aware coaching tailored to you.
This app uses artificial intelligence with OpenAI to analyze your data.
Terms and conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/