How often will user be prompted for 2FA OTP? July 07, 2022 08:13 Updated You will need to key in the 2FA OTP whenever you log in to the McDonald’s App. Related articles If I have turned on 2FA OTP, can I turn it off? How often does the user have to log in? What happens if I do not authenticate myself with 2FA? How long is the OTP valid for? What if I have a problem with a payment or face any errors while placing my order?