If you signed up to Covve using an email and password:
If you'd like to change your primary email (username), please send in your request at email@example.com and we'll guide you through the process.
Please note that changing your username has no effect on how Covve syncs with your contacts. Covve is designed to sync with all contacts on your device, regardless of the email you used to sign up.
If you signed up to Covve using Google or Apple login: In this case to change your Covve username you'll need to delete the Covve app, reinstall it and sign up with a new account with the new email.