To change your email address in your Apple account, this will need to be done through the Apple store since we don't have access to Apple store accounts. (This is how all apps work).
Here's a helpful article from Apple on how to do that: https://support.apple.com/en-us/109353
Note: We are better able to help you when you sign up through our website, so if you were prefer to switch your membership to our website, then you can cancel your Apple subscription and instead sign up on our website here
Need help? Reach out by sending us a message on the Contact Us widget!