About this app
【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
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 5, 2026 · 8:17 AM Free