# Authenticator

> Simple 2-factor authentication

Canonical page: [https://chrome-stats.com/d/id766157276](https://chrome-stats.com/d/id766157276)

## Overview

- **ID:** `id766157276`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Matt Rubin
- **Category:** Utilities
- **Rating:** 3.70 / 5 (421 ratings)
- **Version:** 2.1.2
- **Last updated:** 2019-06-01
- **First published:** 2013-12-03
- **Size:** 16 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/authenticator/id766157276)
- **Website:** [https://mattrubin.me/authenticator/](https://mattrubin.me/authenticator/)
- **Privacy policy:** [https://mattrubin.me/authenticator/privacy.html](https://mattrubin.me/authenticator/privacy.html)

## Description

Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your regular passwords to log into supported websites.

Key features: Easy setup via QR code, otpauth:// URL, or manual entry; Secure: All data is stored in encrypted form on the iOS keychain; Compatible: Full support for time-based and counter-based one-time passwords as standardized in RFC 4226 and 6238; Off the Grid: The app never connects to the internet, and your secret keys never leave your device.

## Rankings

- #85,530 — Overall

## Review summary

Reviews praise the app for being simple, ad-free, privacy-focused, and compatible with older devices. The most mentioned drawbacks are lack of easy token migration to new devices, no cloud backups, and stability issues after OS updates, plus missing security features like biometrics or passcodes.

### Pros

- Simple setup and easy to add accounts
- Ad-free and lightweight user experience
- Privacy-focused with no data collection and open-source
- Good backward compatibility with older iPhones/devices
- Clear, minimal design that focuses on core 2FA functionality

### Cons

- Inability to transfer/export tokens to a new device, risking data loss when upgrading
- No cloud backup or account-based restore; relies on device storage only
- Stability issues after OS updates (e.g., blank screens, codes not generating)
- No ability to switch devices or migrate between devices easily
- Lack of biometric/PIN protection and no Apple Watch support

## Similar extensions and apps

- [Authenticator App '](https://chrome-stats.com/d/id1619778327) — 3.70 / 5
- [Authenticator - 2FA Auth App](https://chrome-stats.com/d/id1511791282) — 5.00 / 5
- [Authenticator: Two Factor App](https://chrome-stats.com/d/id6737652692) — 3.40 / 5
- [Authenticator - 2FA Codes](https://chrome-stats.com/d/id6758212265)
- [Authenticator App • 2FA • MFA](https://chrome-stats.com/d/id6505110382) — 4.60 / 5
- [Authenticator App ™](https://chrome-stats.com/d/id6443508147) — 4.40 / 5
- [Authenticator - 2FA/MFA](https://chrome-stats.com/d/id6739278649) — 5.00 / 5
- [Authenticator App • 2FA & OTP](https://chrome-stats.com/d/id6755154549)
- [Authenticator+ 2FA App](https://chrome-stats.com/d/id6762528400) — 4.20 / 5
- [Authenticator App - 2FA App](https://chrome-stats.com/d/id6780947344) — 5.00 / 5
- [Authenticator App ©](https://chrome-stats.com/d/id1662071074) — 3.90 / 5
- [Authenticator App ｀](https://chrome-stats.com/d/id6448976943) — 4.30 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id766157276)