Q. I would like to change my subscription payment method.
A.
You can change your payment method directly through each app store.
🍎 iOS
Settings App → Tap your name → Payment & Shipping → Add Payment Method → Enter details and tap Done.
https://support.apple.com/en-us/118429?device-type=mac
🤖 Android
Google Play Store → Profile icon at the top right → Payments & subscriptions → Update or add under Payment methods.
https://support.google.com/googleplay/answer/4646404?hl=en