It has been scientifically proven that the work of the human heart and the entire organism is under the influence of the environment (50Hz-60Hz).
With this application you can at any time take care of your health and the health of your heart. The vibration of your phone will have a beneficial effect on your health.
All you have to do is to let it vibrate with the long press in the middle of the screen
![3 Apps to Measure Your Heart Rate on Android Without a Sensor [How-To] screenshot 2](https://i.ytimg.com/vi/XYzPl2Kqetc/mqdefault.jpg)
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