Cardiograph Heart Rate for iphone from Andrew Neal

Cardiograph is a portable heart rate monitor. The app gives an accurate reading of your heart rate and is specially designed for use in the gym. You can use it while you are running, walking, or doing exercises. You can use it at any time, anywhere, for personal use, or if you want to get results as soon as possible.

What are the benefits of using Cardiograph?

The app uses color changes, and you can use it by placing your finger on the camera lens.