Health apps for iPhone and other iOS devices are apps wich helps users feel better, and to help them improve their health.
The app helps users to monitor the daily activities. In fact this app monitors movements and heart rate.
A health app for iPhone, but also other iOS devices. Use this app to find heart rate through pulse monitoring in seconds.
In this case, your personal fitnes trainer is the app in your SmartPhone.
It is an app that you motivates you to like the race and muscle exercise.