Best 2 Fas Apps

229+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

If you already know 2FA Authenticator (2FAS), this is the deeper bench. 229+ 2 fas apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for 2 Fas

2FA Authenticator (2FAS)#1

2FA Authenticator (2FAS) by Two Factor Authentication Service, Inc.

#1 Rated 2FA Authenticator
Editor's Choice
📊 Productivity
4.7😊(34K ratings)
Free
2FA Authenticator (2FAS) screenshot 1
2FA Authenticator (2FAS) screenshot 2
2FA Authenticator (2FAS) screenshot 3
2FA Authenticator (2FAS) screenshot 4
2FA Authenticator (2FAS) screenshot 5
2FA Authenticator (2FAS) screenshot 6

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

What We Love

  • 🚀 Efficient and fast
  • 🔒 Secure and private
  • 👍 Simple and intuitive UI
  • 💡 Customizable icons and folders

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Lack of password/PIN protection
  • 🕰 No Apple Watch app
Google Authenticator#2

Google Authenticator by Google LLC

Strong Contender
🔧 Utilities
4.9😞(1.1M ratings)
Free
#3in 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

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

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

More 2 Fas apps to explore

4
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

Enhance login security with two-factor authentication. Generate passcodes or use one-tap push notifications for seamless access to your accounts. Manage authentication for multiple applications and web services.

Two-factor authenticationPasscode generationPush notification authentication
💼 Business
(2.2M)
free
5
Twilio Authy
Twilio Authy
Twilio Authy
by Authy Inc.
Free

This app provides a secure and convenient way to manage two-factor authentication tokens for your online accounts. It offers features like cloud backups, multi-device synchronization, and offline token generation to enhance account security and prevent lockouts.

Secure 2-step verification token generationEncrypted cloud backupsMulti-device synchronization
🔧 Utilities
(53K)
free
6
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Securely store and generate two-factor authentication (2FA) tokens for your online accounts. Protect your accounts from hackers with an additional layer of security. Features encrypted backups, cross-device synchronization, and a private browser.

Secure 2FA token generationEncrypted iCloud backupsCross-device synchronization
🔧 Utilities
(26K)
free with in-app purchases
7
Authenticator ° - 2FA,MFA, OTP
Authenticator ° - 2FA,MFA, OTP
Authenticator ° - 2FA,MFA, OTP
2FA Authentication App For iOS
Free

This app provides secure two-factor authentication (2FA) for all your online accounts. It generates time-based one-time passwords (TOTP) quickly and offers features like biometric security and cross-device sync. It's a reliable alternative for protecting your digital life.

Two-Factor Authentication (2FA)Fast code generationCross-device backup and sync
🔧 Utilities
(136)
free
8
2FA: TOTP Authenticator App
2FA: TOTP Authenticator App
2FA: TOTP Authenticator App
Backups & Folders
Free

Enhance your digital security with this app, providing time-based one-time passwords for authentication across various platforms. It offers secure backups, easy migration from other authenticators, and organizational tools. Protect your accounts on finance, crypto, and social media services.

Time-based one-time passwords (TOTP)Local and iCloud encrypted backupsImport from Google Authenticator, URLs, QR
🔧 Utilities
(42)
free with in-app purchases
9
TOTP Authenticator – Fast 2FA
TOTP Authenticator – Fast 2FA
TOTP Authenticator – Fast 2FA
Simple 2FA with Cloud Sync
Free

Enhance your online security with this app that generates one-time tokens for two-factor authentication. Protect your accounts from hackers by easily adding 2FA to your online services. Supports cloud sync and a Chrome extension for seamless desktop integration.

Cloud Sync for backupChrome Extension for desktopDark and light theme support
🔧 Utilities
(3.8K)
free with in-app purchases
10
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure your online accounts with this app. It generates and stores two-factor authentication codes for popular services. Features include QR code scanning, end-to-end encryption, and device syncing.

Generate and store 2FA/MFA codesScan QR codes or enter manuallyEnd-to-end encryption
📊 Productivity
(12K)
subscription
11
Authenticator: Secure 2FA App
Authenticator: Secure 2FA App
Authenticator: Secure 2FA App
MFA, TOTP Password Auth - 2FAs
Free

This app provides robust two-factor authentication to secure your online accounts. It offers features like account organization, secure password storage, and cross-device synchronization for enhanced digital identity protection.

Two-factor authentication (2FA)Account creation via QR code or manual entryAccount organization with folders
🔧 Utilities
(30)
free with in-app purchases
12
Authenticator App - Two Factor
Authenticator App - Two Factor
Authenticator App - Two Factor
Two-factor - Duo Security
Free

Secure your online accounts with this simple and safe two-factor authentication app. It generates 6-digit one-time passwords to add an extra layer of security against hackers. Protect your accounts by scanning QR codes or manually entering tokens.

Secures online accountsGenerates 6-digit TOTP codesSupports QR code scanning
🔧 Utilities
(400)
free with in-app purchases
13
Authenticator app (2FAS)
Authenticator app (2FAS)
Authenticator app (2FAS)
2FA Authentication MFA & OTP
Free

This app provides robust two-factor authentication and biometric security for your digital accounts. It offers dynamic code generation, fast account binding via QR scanning, and secure cloud synchronization to prevent data loss. Enjoy a worry-free login experience with enhanced protection against unauthorized access.

Dynamic two-factor authentication codesFast QR code scanning for account bindingEncrypted cloud synchronization
🔧 Utilities
(2)
free with in-app purchases
14
Authenticator App - 2FA
Authenticator App - 2FA
Authenticator App - 2FA
2fa, Two Factor Authentication
Free

This app generates secure two-factor authentication codes for your online accounts. It adds an extra layer of security to prevent unauthorized access and offers cloud backup for your authentication keys. Easily add accounts by scanning QR codes or manual entry.

Secure accounts with 2FAGenerate time-based one-time passwords (TOTP)Encrypted cloud backup and sync
📊 Productivity
(543)
freemium
15
Authenticator App - 2FA ◦ MFA
Authenticator App - 2FA ◦ MFA
Authenticator App - 2FA ◦ MFA
Two Factor Authentication: OTP
Free

Enhance your online security with two-factor authentication. This app securely stores all your 2FA tokens, adding an extra layer of defense to your accounts. Easily set up by scanning QR codes or manual entry for email, social media, and banking.

Two-factor authenticationSecure token storageQR code scanning
🔧 Utilities
(78)
free with in-app purchases
16
Raivo - 2FA Authenticator app
Raivo - 2FA Authenticator app
Raivo - 2FA Authenticator app
tOTP, OTP & MFA Authentication
Free

Securely manage your multi-factor authentication codes with this app. It offers iCloud backup, export/import options, and seamless integration with a companion Mac app for quick access. Enjoy a fast, user-friendly experience with biometric unlocking and open-source transparency.

iCloud backup and synchronizationExport/import one-time passwordsSend passwords to Mac
🔧 Utilities
(166)
free with in-app purchases
17
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
by OneSpan International GmbH
Free

Securely log in to your accounts with a user-friendly interface. Choose your preferred authentication method, including PIN, push notifications, or biometrics. Activate instantly and authenticate with confidence thanks to advanced mobile app shielding.

Intuitive designPIN, push, or biometric authenticationInstant and secure activation
💰 Finance
(1.4K)
free
18
Authenticator: AuthSnap
Authenticator: AuthSnap
Authenticator: AuthSnap
Fast. Safe. Verified.
Free

This app simplifies online security by generating one-time passcodes for two-factor authentication. It supports both time-based and counter-based algorithms and offers easy setup via QR code scanning.

QR code scanning for setupTOTP and HOTP supportUser-friendly interface
🔧 Utilities
(11)
freemium
19
OTP Auth
OTP Auth
OTP Auth
2-Factor Auth for Pros
Free

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

Two-factor authentication supportEncrypted iCloud SyncSiri and Apple Watch support
🔧 Utilities
(463)
free with in-app purchases
20
Authenticator App-2FAS・MFA・OTP
Authenticator App-2FAS・MFA・OTP
Authenticator App-2FAS・MFA・OTP
Two Factor Authentication・TOTP
Free

Enhance your online security by generating time-based one-time passcodes for two-factor authentication. Securely manage multiple accounts with effortless setup, biometric integration, and cloud backups. Enjoy a sleek interface with cross-device syncing for ultimate convenience.

Multiple account supportQR code scanning for setupFace ID/Touch ID integration
🔧 Utilities
(400)
free with in-app purchases

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