As for the email address of your account, you can only change it if you have registered with an email address. In that case, you can edit it from the Edit button.
An email titled “Email Address Confirmation” will be sent to your new address. Please verify it to complete the change.
If you have registered as a user using Google/Microsoft/Apple single sign-on, you will need to change your password first.
Users should click on the "Send Password Reset Email" link from the Edit Password button to receive a password reset email.
What to do after receiving the password reset e-mail
Change the password from the link in the e-mail address.
Log in again with the new password. (Single sign-on is not selected)
After logging in, edit your e-mail address.
Important Notes
If you already have a Jicoo account with the email address you wish to change, an error will occur and the email cannot be sent.