This app detects the change in brightness caused by the blood circulation of the fingertip detected by the camera of the phone, measures the heart rate and measures the period of heart beat to determine whether it is arrhythmia.
Normal, bradycardia, and tachycardia according to heart rate are divided into signals and displayed
Arrhythmia is also indicated by the signal light according to normal, caution, and degree of danger.
Depending on the measured heart rate and the presence of arrhythmia, the condition of the heart is indicated by the signal light according to the normal level and the degree of danger.
Require Android 3.0 and up