# Duo Mobile

> Security made simple

Canonical page: [https://chrome-stats.com/d/id422663827](https://chrome-stats.com/d/id422663827)

## Overview

- **ID:** `id422663827`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Duo Security LLC
- **Category:** Business
- **Rating:** 4.90 / 5 (2,283,913 ratings)
- **Version:** 4.121.0
- **Last updated:** 2026-09-08
- **First published:** 2011-03-08
- **Size:** 46 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/duo-mobile/id422663827)
- **Website:** [https://guide.duo.com/iphone](https://guide.duo.com/iphone)
- **Privacy policy:** [https://duo.com/legal/privacy-notice-services](https://duo.com/legal/privacy-notice-services)

## Description

Duo Mobile works with Duo Security's two-factor authentication service to generate passcodes and deliver one-tap push notifications for quick, secure logins on your iPhone, iPad, or Apple Watch. It can also manage 2FA for other apps and websites that use passcodes.

Note: For Duo accounts, activation and linking to your account is required before it will work. You will receive an activation link during enrollment, and you can add third-party accounts at any time. License agreements for third-party open-source libraries used by Duo Mobile are available at the Duo Security website.

## Rankings

- #169 — Overall
- #6 — login
- #13 — security

## Review summary

Users generally praise Duo Mobile for being fast, easy to set up, and secure, with solid Apple Watch support and cross-use across school, work, and personal accounts. The main downsides across multiple reviews are intermittent push notification issues and overall reliability problems, including crashes and time-sync errors after updates. Some users also wish for smoother account/term acceptance flows and offline functionality improvements, but the core value remains an accessible, security-focused 2FA authenticator.

### Pros

- Easy to set up and use with fast approvals and intuitive navigation.
- Apple Watch compatibility and strong mobile integration.
- Provides a solid security layer for MFA and login protection.
- Works across multiple systems and contexts (school, work, personal).

### Cons

- Push notifications are sometimes unavailable, leading to code entry being required instead.
- Reliability issues including crashes and time-sync errors, especially after updates.

## Similar extensions and apps

- [Authenticator Duo: Two Factor](https://chrome-stats.com/d/id6504300892) — 5.00 / 5
- [Authenticator Duo - Two Factor](https://chrome-stats.com/d/id6615062059) — 3.90 / 5
- [Authenticator App - Duo Secure](https://chrome-stats.com/d/id6470662300) — 4.50 / 5
- [Duo Auty 2FA - Secure Pass](https://chrome-stats.com/d/id6480926410) — 5.00 / 5
- [Multi Authenticator: OTP, MFA](https://chrome-stats.com/d/id6742823660) — 4.70 / 5
- [Authenticator App - Authy, 2FA](https://chrome-stats.com/d/id6444312209) — 4.30 / 5
- [Mobile 2FA Authenticator App](https://chrome-stats.com/d/id6738383831) — 4.20 / 5
- [Authenticator App - MFA, 2FA](https://chrome-stats.com/d/id6450793958) — 4.70 / 5
- [DeepNet MobileID (OOBA)](https://chrome-stats.com/d/id898300378) — 3.20 / 5
- [SecurEnvoy Mobile](https://chrome-stats.com/d/id6499138663)
- [App for MS Authenticator: 2FA](https://chrome-stats.com/d/id6768099263)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id422663827)