How can I change my app account email address?

To change your app account email address please follow the below advice :)

Log into your current app account, press the menu button in the top-left-hand corner, click account, under your current email address there is a button that says 'change email address', follow the steps after this. 

If you don’t see the option to change the email, you can alternatively create a new account using another email address. Once logged in, tap Restore Purchase on any paywall you see to link your existing subscription.

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