Hlthy Bts - Hrt Monitor - For Android

Hlthy Bts is your very own simple and sy-to-use hrt rate monitor. This app is grt for anyone who wants to keep track of their hrt rate anywhere, and at anytime. All you need is an Android phone with a built-in camera and flash. Hlthy Bts uses your device's built-in camera to take pictures of your fingertip, and calculate your hrt's rhythm.