Stress Tracker HRV vs Simple Heart Rate

Stress tracking with HRV, sleep insights & recovery in one simple app. Feel tired, anxious, or burned out without knowing why? This app gives you answers, not guesses. Stress Tracker uses Heart Rate Variability (HRV) to show your real stress level, sleep quality, and how well you’re recovering — all from your Apple Watch. Track your daily stress instantly. See how it changes across the day or week. Know when to rest, recover, or push forward with data-backed clarity. Features: • Real‑time stress tracking based on HRV • Daily & weekly stress trends • Recovery Index to see how you bounce back • Sleep score and insights to optimize rest • Fully private – nothing leaves your device Get clarity over your mental and physical health. Stop guessing. Start tracking.

【Simple Heart Rate】 is a handy tool that lets you measure your heart rate anytime using just your phone's camera — no external devices needed. **Camera Heart Rate Detection** Place your fingertip on the rear camera lens, and the app analyzes subtle light changes in your skin to estimate your heart rate in real time. A simple, device-free approach to heart rate monitoring. **History & Trend Tracking** Every measurement is saved locally. Browse, search, filter, and sort your records to observe how your heart rate changes over time. **Health Analysis Dashboard** View your latest heart rate alongside estimated stress, blood oxygen, and hydration levels — all derived from your measurement data. Weekly trend charts help you spot patterns at a glance. **Customizable Reminders** Set daily heart rate check reminders and health report notifications so you never miss a session. **Medical Disclaimer & Sources** This app is not a medical device. All results are for health reference only and do not constitute medical advice. Research sources (PubMed, IEEE) are provided in-app for transparency. Start tracking your heart rate today — simple, quick, and always in your pocket. This app is a non-medical health reference tool that only provides heart rate detection and basic related analysis. Results are affected by devices, usage scenarios and other factors, and are for daily health monitoring reference only. It has no medical diagnosis or treatment effect and cannot replace the diagnosis and treatment advice of professional physicians and medical institutions. If you have health problems such as abnormal heart rate, please go to a regular medical institution in a timely manner. The developer shall not be liable for any consequences arising from the use of the test results of this app. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fenwoon.xyz/jijianxinlv/privacy.html