Muscle Booster App will not let me log in

On Dec 31st I bought the Muscle Booster app for 29.99. The app will not let me log in and when I try to update password does not recognise my email address.

iPhone 12 mini, iOS 15

Posted on Jan 11, 2022 5:07 AM

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Posted on Jan 11, 2022 5:59 AM

Try deleting the app and reinstalling it. If that doesn't help, contact the developer.


How to contact an app developer - Apple Support

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Muscle Booster App will not let me log in

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