If you already have an iOS iTunes subscription, you will need to restore your iTunes subscription before you can login (on any device).

Steps to login on iOS Mobile and Tablet

  1. Open the new iOS app (you may need to update your app) and open the menu
  2. In the menu, select "subscribe"
  3. On the registration page, select "Restore from iTunes Purchases"
  4. You may be asked to sign into your iTunes account
  5. Once you have restored your subscription, you will be logged in and can enjoy all the benefits of your subscription