Cardiograph is an application which measures your heart rate. You can save your results for future reference and keep track of multiple people with individual profiles.Cardiograph uses your device’s built in camera or dedicated sensor to calculate your heart’s rhythm the same approach used by professional medical equipment measuring heart rateWithout any external hardware, just using the built-in camera/sensor of your smartphone or tablet, you can get accurate readings almost instantly. can be very useful while exercising, if you’re under stress, if you have a heart-related medical condition, or even just out of curiosity.Every measurement you take is saved to your personal history.
I tried it couple of times it didn’t work on my tab. I will have to find another one.