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Commonly used authenticator applications

If you do not have an authenticator application yet, here are some popular options:

Authenticator

Publisher

Supported by Android

Supported by iPhone

Okta Verify

Okta, Inc.

Yes

Yes

Google Authenticator

Google LLC

Yes

Yes

FreeOTP Authenticator

Red Hat

Yes

Yes

Twilio Authy

Authy, Inc.

Yes

Yes

Microsoft Authenticator

Microsoft Corp.

Yes

Yes

Duo Mobile

Duo Security LLC

Yes

Yes

Nota

These authenticators can be downloaded from Google Play on Android or the App store on iOS devices.