Android
Since purchases are processed by Google, we do not store any of your payment information, which means it needs to be edited on Google's end. You can find more information on how to do so at Google's Help Center, found at the following address:
iOS
Since purchases are processed by Apple we do not store any of your payment information, which means it needs to be edited on Apple's end. You can find more information on how to do so at Apple Help Center, found at the following address: