Photo AFib Detector (Lite) — App Store rankings

About this app

The developer's US App Store description, in full.

Atrial Fibrillation (AFib) is one of most common heart rhythm disorders and increases the risk for heart disease and stroke, both leading causes of death. The Photo AFib Detector was designed for personal AFib detection and Heart Rate monitoring. It uses smartphone's inbuilt back camera to capture your fingertip video for PPG signal extraction and then estimate two parameters of RMSSD (Root Mean Square of Successive Difference) and ShE (Shannon Entropy) for AFib detection. It also provide heart-rate monitoring function with percentage of your maximum heart rate if you have input your age in the setting. Note: This App is not to be used for medical diagnosis. Please consult your physician if in doubt.