Change your subscription via iTunes:
- Open iTunes.
- Log in to iTunes.
- Enter your iTunes information in the dialog box and select Login.
- Click on the Profile icon at the top right and select Account.
- A dialog box appears and prompts you to enter your password for your iTunes account again. Enter your password and select View account.
- Scroll down to Settings and select Manage next to the subscriptions on the Account Information.
- You will be redirected to the page Edit subscriptions, on renewal options, choose the subscription you want to change to.
- A dialog box appears asking you to confirm your selection. Select confirm.
- Your new subscriptions appear on your account.
Cancel your subscription via iTunes:
Your subscription can only be canceled on your iTunes account by following these Apple Instructions. Uninstalling the app or closing your account will not automatically stop your subscription with iTunes.