All amounts are payable and charged: For Yearly subscriptions, at the beginning of the subscription and, because each subscription renews automatically for an additional year until you cancel it, at the time of each renewal until you cancel, using the Payment Information you have provided. You must cancel your Subscription before it renews to avoid the billing of the fees for the next Subscription period. You will not receive a refund for the fees you already paid for your current subscription period and you will continue to receive the Services ordered until the end of your current Subscription period.
To cancel subscriptions:
Go to Settings > iTunes & App Store.
Tap your Apple ID at the top of the screen.
Tap View Apple ID. You might need to sign in or use Touch ID.
Tap the subscription that you want to manage. …
Use the options to manage your subscription.