If you want to change your registered email address, you can do so in the Countingup app by following these steps:
- Open the Countingup app
- Tap the 'More' tab on the bottom of the screen
- Tap 'Your personal details'
- Tap 'Change email address'
- Enter the new email address you wish to change to
- Check your email for the verification code
- Verify your email address