Cardiograph is an application which measures your heart rate. You can save your results for future reference, keep track of multiple people with individual profiles, add notes and locations, and even print out your measurements for sharing or safe keeping. Cardiograph uses your device's built-in camera to take pictures of your fingertip and calculate your heart's rhythm - the same approach used by
![Cardiograph Classic](https://cdn-ak-scissors.b.st-hatena.com/image/square/92519cac50886ae4b24f4b515979db10b578ed6d/height=288;version=1;width=512/https%3A%2F%2Fis1-ssl.mzstatic.com%2Fimage%2Fthumb%2FPurple113%2Fv4%2F8c%2F88%2Fbc%2F8c88bc9f-7485-093f-4abc-26bfe99c5d4e%2FAppIcon-0-0-1x_U007emarketing-0-0-0-6-85-220.png%2F1200x630wa.png)