Tuning: HRV Stress Monitor
发亮 刘 Health & Fitness iPhoneiPadiPod touchApple Watch
Tuning: HRV Stress Monitor is a free Health & Fitness app for iPhone and iPad by 发亮 刘. Requires iOS 16.6. Updated September 17, 2026.
- Price
- Free
- on the App Store
- Size
- 8 MB
- Age 12+
- Updated
- Sep 17
- 2026 · v1.1.6
Screenshots
About Tuning: HRV Stress Monitor
Know your stress before it knows you. Tuning reads your Heart Rate Variability (HRV) from Apple Watch and turns it into a daily Recovery and Energy Score, so you can train smarter, sleep deeper and stay calm under pressure. WHY TUNING - Spot stress building before you feel it - Wake up to a personal Readiness Score - Know exactly when to push and when to rest - Improve sleep, focus and recovery with daily guidance - Privacy first: all processing happens on your device HOW IT WORKS Tuning analyzes the HRV and resting heart rate data collected by your Apple Watch, interprets your autonomic nervous system, and translates complex biometrics into one simple number you can act on every morning. KEY FEATURES - HRV-based stress and recovery monitoring - Daily Recovery Score and Energy Score - Nervous system resilience trends (weekly and monthly) - Guided breathing sessions for instant calm - Apple Watch app with automatic background sync - Clean, calm dashboard. No clutter, no anxiety - On-device processing. Your health data never leaves your iPhone WHO IT IS FOR - Athletes optimizing training and recovery - Professionals fighting burnout - Frequent travelers managing jet lag - Anyone who wants to understand their body better WHAT MAKES US DIFFERENT Most wellness apps show raw numbers and leave you guessing. Tuning gives one clear answer every day: how ready is your body today. No medical jargon, no data overload. We do not sell your data and we never will. Download Tuning and find your balance again. Tuning is a wellness tool, not a medical device. It does not provide medical diagnosis or treatment. Privacy Policy: https://www.notion.so/Privacy-Policy-35356eabf14680bcb2cde014fdf82754 Terms of Use: https://www.notion.so/Terms-of-Use-35356eabf146806ba831f3001c18a01d
What’s new
Version 1.1.6 · Updated September 17, 2026
Update Highlights 1. Added HRV trends and recovery status, so daily changes in your body are easier to see 2. Improved how data is shown and synced on Apple Watch 3. Improved HealthKit data reading for more accurate health data 4. Improved how Pro features are presented, for a clearer advanced analysis experience 5. Added a quick feedback option so you can reach the developer easily 6. Expanded language support for a better experience worldwide 7. Fixed known issues and improved app stability 8. Thank you for using Tuning. We will keep improving it to help you understand your body better
App privacy
The developer, 发亮 刘, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Tuning: HRV Stress Monitor
Looking for apps like Tuning: HRV Stress Monitor? Here are 6 similar apps on the App Store. The highest rated is FullPulse360 (5.0/5), and all 6 are free to download.
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Calmgraph: Stress & HRV
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AI Health Insights: HRV Sleep
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FullPulse360
5.0
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Hanzo Health Journal
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Vorra: Health Tracker
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Longevity Protocol
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Tuning: HRV Stress Monitor | – | Free | September 17, 2026 | |
| Calmgraph: Stress & HRV | – | Free | Sep 18, 2026 | Compare |
| AI Health Insights: HRV Sleep | – | Free | Jun 8, 2026 | Compare |
| FullPulse360 | 5.0 / 5 (1) | Free | Aug 29, 2026 | Compare |
| Hanzo Health Journal | – | Free | Aug 14, 2026 | Compare |
| Vorra: Health Tracker | – | Free | Sep 1, 2026 | Compare |
| Longevity Protocol | – | Free | May 27, 2026 | Compare |