The app will not let me change my email. It has one that I have not had for years and I have tried more than once to change to my current one. I never get the email that is supposed to be delivered to my current email to approve the change. I also can't redeem a free pizza because even though I am signed in to my account, it sends an email to my old email address to verify it's me redeeming a pizza on my own account. App needs improvement.