Your iPhone can track steps using a built-in accelerometer. You can track your steps in the Health app, where you can see a range of exercise metrics.

"There's an app for that." Who'd have ever thought that would be the case for something as fundamental as a ruler or a measuring tape? But here we are. If you're reading this, you may already know ...

Apple Health is a wide-ranging service on your iPhone and iPad for storing and analyzing your health and fitness data. Here's how to use the app for a better, healthier life. The iPhone and other ...