If your subscription was purchased through Apple’s App Store, you can change your payment method from your Apple ID settings. To do this:
- Open the Settings app on your iPhone or iPad.
- Tap your name at the top.
- Choose Payment & Shipping (sign in if prompted).
- Tap Add Payment Method to add a new one, or Edit to update, remove, or reorder your cards.
- Drag your preferred method to the top to make it the default.
Your updated payment method should now apply to future renewals.
If you have any problems changing your payment method, please contact Apple directly.