Best Authentication App For Facebook

241+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our authentication app for facebook list covers 241+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Authentication App For Facebook

Google Authenticator#1

Google Authenticator by Google LLC

Editor's Choice
🔧 Utilities
4.9😞(1M ratings)
Free
#6in Utilities
Google Authenticator screenshot 1
Google Authenticator screenshot 2
Google Authenticator screenshot 3
Google Authenticator screenshot 4
Google Authenticator screenshot 5
Google Authenticator screenshot 6

A secure two-step verification app that generates codes for logging into online accounts, adding an extra layer of security beyond passwords. Easily sync codes across devices, set up accounts with QR codes, and manage multiple accounts in one place. To start securing your accounts, enable 2-Step Verification on your Google Account.

What We Love

  • 👍 User-friendly
  • 🔒 Secure authentication
  • 🚀 Simple and fast
  • 🔒 Reliable security

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
Authenticator App#2

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Strong Contender
📊 Productivity
4.6😊(46K ratings)
FreeIn-App Purchases
#39in Productivity
Authenticator App screenshot 1
Authenticator App screenshot 2
Authenticator App screenshot 3
Authenticator App screenshot 4
Authenticator App screenshot 5
Authenticator App screenshot 6

Protect your accounts with an advanced authentication app offering both Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA) features. Secure your online presence now.

What We Love

  • 🚀 Works well
  • 🔒 Secure and reliable
  • 👍 Easy to use and set up
  • 💡 Excellent cross-device sync and backup

Room to Improve

  • 🐛 Compatibility issues with newer devices
  • 💰 Expensive subscription
  • 🔒 Limited free version
Two Factor Authenticator & OTP#3

Two Factor Authenticator & OTP by HENRY FOSTER

Simple 2FA authentication app
Worth Considering
🔧 Utilities
4.5(133 ratings)
FreeIn-App Purchases
Two Factor Authenticator & OTP screenshot 1
Two Factor Authenticator & OTP screenshot 2
Two Factor Authenticator & OTP screenshot 3
Two Factor Authenticator & OTP screenshot 4
Two Factor Authenticator & OTP screenshot 5

The application provides a robust two-factor authentication (2FA) and multi-factor authentication (MFA) solution, ensuring the security of your sensitive information. With features like TOTP and HOTP support, encrypted data storage, and user-friendly design, this app empowers you to take control of your digital safety. Download it today and experience top-level online security.

More Authentication App For Facebook apps to explore

4
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure all your online accounts with our Authenticator App. Easily scan, generate, and save 2FA codes for enhanced security. Download now for peace of mind online!

📊 Productivity
(12K)
5
Facebook
Facebook
Facebook
Explore the things you love
Free

Discover a social network that connects you with real people and helps you explore your interests. Shop, share, connect, and create with a variety of interactive features to enrich your online experience. Join now to experience a new way to engage online!

🌐 Social Networking
(27M)
6
2FA Authenticator: MFA RSA
2FA Authenticator: MFA RSA
2FA Authenticator: MFA RSA
Verification & Authentication
Free
🔧 Utilities
(25)
7
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

A secure app for easy online account sign-ins, offering multi-factor authentication, passwordless login, and password autofill features. Manage Microsoft and non-Microsoft accounts with added security layers like fingerprint, face ID, or PIN. Stay protected and simplify access to various online services.

📊 Productivity
(652K)
8
Authenticator: Secure 2FA Auth
Authenticator: Secure 2FA Auth
Authenticator: Secure 2FA Auth
2 Factor Authentication: MFA
Free

This application helps you organize and protect your two-factor authentication tokens and passwords in one secure place, with features like secure browsing and data encryption. Download now to effortlessly manage your sensitive data and upgrade to a premium subscription for unlimited 2FA codes, password generation, and more.

🔧 Utilities
(3)
9
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Mobile 2FA for your Security
Free

Protect your online accounts with a simple and secure two-factor authentication (2FA) app that stores and manages your authentication codes on your device with end-to-end encryption. Download now and take control of your digital security by strengthening your account protection and easily restoring your codes when needed.

📰 Magazines & Newspapers
(34)
10
Authenticator - 2FA App
Authenticator - 2FA App
Authenticator - 2FA App
Protects your online identity
Free

Protect your online accounts with two-factor authentication using this reliable app. Easily generate secure codes to access your favorite services. Stay secure, stay protected.

🔧 Utilities
(2.5K)
11
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

"Duo Mobile simplifies security by generating passcodes for two-factor authentication and providing easy, one-tap login authentication through push notifications on iOS devices. It also manages two-factor authentication for various other services and applications. Activate and link the app to your Duo account to start using its features."

💼 Business
(2.1M)
12
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
2FA, Two Factor Authentication
Free
🔧 Utilities
(287)
13
Authenticator: Secure 2FA, MFA
Authenticator: Secure 2FA, MFA
Authenticator: Secure 2FA, MFA
2 Step Verification Auth: TOTP
Free

Enhance your account security with a powerful and easy-to-use two-factor authentication tool that generates time-based one-time passwords for your online accounts, providing secure cloud backup, biometric and PIN protection, and offline functionality. Get started with a simple QR code setup or secret key entry to safeguard your accounts effortlessly.

🔧 Utilities
(61)
14
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

"Enhance your online security with a simple, free, and open-source two-factor authentication app. Easily generate unique one-time passwords for your accounts using secure encryption methods, offline capabilities, and support for various password formats. Protect your accounts now!"

🔧 Utilities
(407)
15
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
2 Factor Auth: OTP & Verify
Free

Protect your online identity with this easy-to-use 2FA app, which secures your personal data and passwords with simple, private, and secure two-factor authentication across all your accounts. Download now and take control of your online security with seamless sync, intuitive interface, and helpful customer support.

🔧 Utilities
(29)
16
Authenticator App - 2FA Totp
Authenticator App - 2FA Totp
Authenticator App - 2FA Totp
MFA Authentication 2 Factor
Free
🔧 Utilities
(24)
17
Authenticator: AuthSnap
Authenticator: AuthSnap
Authenticator: AuthSnap
Fast. Safe. Verified.
Free
🔧 Utilities
(11)
18
Two Factor Authenticator App
Two Factor Authenticator App
Two Factor Authenticator App
Simple 2FA Authentication
Free

A secure 2FA authentication app that generates and stores codes for enhanced online account protection. Features include encrypted data storage, seamless device sync, FaceID support, offline code generation, and a private browser. Protect your accounts with this app for simplicity and security. View Privacy Policy and Terms of Use.

🔧 Utilities
(58)
19
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
Free

A free multi-factor authentication app that adds an extra layer of security to your account with time-based one-time passwords, push notifications, and mobile security keys. Easily verify your identity and protect your account from hackers.

📊 Productivity
(100K)
20
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Secure your online accounts with Authenticator 7, an app that stores and generates secure 2FA tokens for added account protection. Safeguard your accounts from hackers with this easy-to-use two-factor authentication solution.

🔧 Utilities
(26K)