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 to take pictures of your fingertip and calculate your heart's rhythm - the same...
Cardiograph — While I'm not sure how accurate this app is, it's still super cool. Not only does it give you your pulse, but it shows you a real-time cardiogram. Also, you can chart your history and it gives you random medical facts. Wow!