Change Your Amazon Music Unlimited Subscription Payment Method
To pay for your Amazon Music Unlimited subscription, you can use a credit card, credit card rewards points, Amazon Gift Card, the Amazon Store card, or debit card.
If you subscribed through the Apple App Store, visit the Apple website for instructions on how to cancel.
If you signed up through Apple App Store, Google Play, or a mobile service provider, contact them directly. They can help you manage your subscription.
If you signed up through Amazon, go to Your Amazon Music Settings to change your payment method.