2FA methods supported by Apple iCloud
Adding two-factor authentication is one of the most effective ways to protect your Apple iCloud account. With TOTP support, you can generate Apple iCloud verification codes directly in the Authenticator App.
SMS
Apple iCloud can send a one-time verification code to your phone via text message.
Phone call
Apple iCloud can call your phone and read out a verification code.
Security key (U2F)
Apple iCloud works with hardware security keys using the U2F/FIDO standard.
Proprietary app
Apple iCloud offers its own companion app for approving sign-ins.
U2F requires a minimum of two security keys to be registered.
Apple iCloud 2FA — Frequently asked questions
Does Apple iCloud support an authenticator app?
Yes. Apple iCloud supports time-based one-time passwords (TOTP), so you can add it to the Authenticator App and generate verification codes right on your device.
Which two-factor authentication methods does Apple iCloud support?
Apple iCloud currently supports: SMS, Phone call, Security key (U2F), Proprietary app.
Is it free to generate Apple iCloud codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Apple iCloud verification codes does not require an account or sign-up.
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