About
Duo Mobile is a two-factor authentication app that secures logins through passcode generation and push notifications. It works with Duo Security's authentication service and supports one-tap approval on iPhone, iPad, and Apple Watch. Beyond Duo accounts, you can manage two-factor authentication for other applications and web services that use passcodes, giving you a single app to handle multiple authentication needs.
Highlights
- Passcode generation for two-factor authentication across multiple services
- One-tap push notification approval for faster, easier logins
- Support for iPhone, iPad, and Apple Watch
- Manage authentication for both Duo and third-party accounts in one app
Best for
Users who need to secure logins across multiple applications and web services using two-factor authentication, particularly those using Duo Security's service or other passcode-based 2FA providers.
At a glance
Duo Mobile is rated 4.9 out of 5 from 441,025 ratings and is available on iOS — all free to download.
It is developed by Duo Security LLC.
Screenshots
Frequently Asked Questions
- Is Duo Mobile free?
- Yes — Duo Mobile is free to download on iOS.
- What platforms is Duo Mobile available on?
- Duo Mobile is available on iOS.
- What is Duo Mobile?
- Duo Mobile is a two-factor authentication app that generates passcodes and delivers push notifications for secure logins. It works with Duo Security's authentication service and supports other applications and web services that use passcode-based two-factor authentication.
- Can I use Duo Mobile on Apple Watch?
- Yes, Duo Mobile supports Apple Watch in addition to iPhone and iPad, allowing you to approve logins directly from your watch.
- Can I manage multiple accounts in Duo Mobile?
- Yes, you can manage two-factor authentication for both Duo accounts and third-party applications and web services that use passcodes in a single app.
- What are the alternatives to Duo Mobile?
- Duo Mobile is similar to Okta Verify, 2FA Authenticator (2FAS), Microsoft Authenticator, and Stratum - Authenticator App. Browse related apps by tag: 2fa, mfa, and security.
Similar Apps
Okta Verify is a lightweight two-factor authentication app that confirms your identity when signing in to your Okta account. It generates temporary 6-digit codes or approves sign-in requests via push
2FAS is a free two-factor authentication app that secures your online accounts with TOTP and HOTP algorithms. It syncs across mobile devices, works offline, and requires no account or password storage
Microsoft Authenticator provides multi-factor authentication, passwordless sign-in, and password autofill for your online accounts. Enable MFA to add a second layer of security during login by approvi
Stratum is an open-source two-factor authentication app for Android that adds an extra security layer to your accounts by requiring a one-time code at login. It supports TOTP and HOTP authenticators w
Bitwarden Authenticator generates time-based one-time passwords (TOTP) for two-factor authentication across any website or application that supports the standard. Built by Bitwarden, the password mana