Step 1, whip out your iPhone and select App Store: 

Step 2, select search:

Step 3, if you're a Coach, start typing "AMP Coach" in the search field at the top of the screen. If you're an Athlete, type "AMP Athlete" in the search field.  Select the appropriate app from the drop down menu. 

Step 4, choose the green "Install App" button:

The App Store will prompt you for your password, and then you will be finished downloading the app. Next, Signing In  .