Best 2 Fas Apps

248+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

If you already know 2FA Authenticator (2FAS), this is the deeper bench. 248+ 2 fas apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top 2 Fas Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7β˜… (35K)NoNoAug 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9β˜… (1.2M)NoNoAug 2026
3Password Manager (2FAS Pass)Password Manager (2FAS Pass)Free4.6β˜… (22)NoYesAug 2026
4Twilio AuthyTwilio AuthyFree4.7β˜… (53K)NoNoAug 2026
5Duo MobileDuo MobileFree4.9β˜… (2.2M)NoNoAug 2026
62FA: TOTP Authenticator App2FA: TOTP Authenticator AppFree4.6β˜… (41)YesYesAug 2026
7Authenticator App: 2FA Authyγ…€Authenticator App: 2FA Authyγ…€Freeβ€”YesYesAug 2026
8Authenticator: Secure 2FA AppAuthenticator: Secure 2FA AppFree4.4β˜… (30)YesYesAug 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
πŸ“Š Productivity
4.7😊(35K 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

  • πŸš€ Efficient and fast
  • πŸ”’ Secure and private
  • πŸ‘ Simple and intuitive UI
  • πŸ’‘ Customizable icons and folders

Room to Improve

  • πŸ› Occasional bugs and crashes
  • πŸ”’ Lack of password/PIN protection
  • πŸ•° No Apple Watch app
Google Authenticator#2

Google Authenticator by Google

Strong Contender
πŸ”§ Utilities
4.9😞(1.2M ratings)
Free
#5in 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

  • πŸ‘ User-friendly
  • πŸ”’ Secure authentication
  • πŸš€ Simple and fast
  • πŸ”’ Reliable security

Room to Improve

  • πŸ› Randomly deleted all codes
  • πŸ› Unreliable, lost access to accounts
  • πŸ› Timing issues, codes didn't work

More 2 Fas apps to explore

4
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
πŸ”§ Utilities
(53K)
free
5
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
πŸ’Ό Business
(2.2M)
free
6
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
πŸ”§ Utilities
(41)
free with in-app purchases
7
Authenticator App: 2FA Authyγ…€
Authenticator App: 2FA Authyγ…€
Authenticator App: 2FA Authyγ…€
2FA Authentication, OTP & MFA
Free
πŸ”§ Utilities
(0)
8
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
πŸ”§ Utilities
(30)
free with in-app purchases
9
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
πŸ”§ Utilities
(2)
free with in-app purchases
10
Authenticator-2FA Code
Authenticator-2FA Code
Authenticator-2FA Code
2-Step Verification-Secure ID
Free

Enhance your online security with two-factor authentication. This app acts as a password manager, generating strong passwords and offering auto-fill for convenient and secure logins. It supports a wide range of services and securely backs up your data with encryption.

Two-factor authenticationPassword managerQR code scanning
πŸ“Š Productivity
(1)
free with in-app purchases
11
App Authenticator - 2fas Auth
App Authenticator - 2fas Auth
App Authenticator - 2fas Auth
Two factor authentication, MFA
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
πŸ”§ Utilities
(146)
free
12
Authenticator App-2FAS・OTP・MFA
Authenticator App-2FAS・OTP・MFA
Authenticator App-2FAS・OTP・MFA
Authentication App Two Factor
Free

This app enhances security and simplifies account management with features like QR code scanning for 2FA, a password manager with autofill, and secure data storage. It offers iCloud backup and sync, dark mode, and the ability to import data from other authenticator apps.

QR code scanning for 2FAPassword manager with autofilliCloud backup and sync
πŸ“Š Productivity
(44)
free with in-app purchases
13
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

Multi-factor authentication (MFA)Passwordless sign-inPassword autofill
πŸ“Š Productivity
(687K)
free
14
Ente Auth - 2FA Authenticator
Ente Auth - 2FA Authenticator
Ente Auth - 2FA Authenticator
Secure sync across devices
Free

This app generates and securely stores two-step verification (2FA) tokens. It offers end-to-end encrypted cloud backups and seamless multi-device synchronization, ensuring your tokens are accessible across all your devices. Access your tokens via a web interface or generate them offline.

End-to-end encrypted cloud backupsMulti-device synchronizationWeb access to tokens
πŸ”§ Utilities
(284)
free
15
Uber - Request a ride
Uber - Request a ride
Uber - Request a ride
Rideshare, taxi cabs and more
Free

Easily request various types of rides, from affordable options for solo trips to larger vehicles for groups. Get upfront pricing and estimated arrival times for stress-free travel. Book rides in advance and explore eco-friendly options.

Request various ride typesUpfront pricing and ETABook rides in advance
✈️ Travel
(17M)
free with in-app purchases
16
SafeKey - 2FAuth
SafeKey - 2FAuth
SafeKey - 2FAuth
Fast Two-Factor Manager
Free

Securely manage your passwords and two-factor authentication codes with fast access and smart organization. Quickly add accounts by scanning QR codes and protect your sensitive information with advanced encryption.

Fast credential retrievalSmart account organizationQR code scanning for adding accounts
πŸ”§ Utilities
(40)
free with in-app purchases
17
Authenticator App - Fast 2FA
Authenticator App - Fast 2FA
Authenticator App - Fast 2FA
Two Factor Authentication
Free

Secure your online accounts with two-factor authentication. Easily add services by scanning QR codes or entering secret keys. Generate verification codes offline for enhanced security.

Two-factor authentication (2FA)Offline code generationCloud sync and backup
πŸ“Š Productivity
(368)
free with in-app purchases
18
BAuthenticator
BAuthenticator
BAuthenticator
by Beijing Ji'an Technology Co., Ltd
Free

This app provides a secure and convenient way to manage your two-factor authentication codes. It supports both manual entry of 16-digit keys and scanning QR codes for easy setup.

Supports 16-digit key entryQR code scanning for setupTwo-factor authentication management
πŸ”§ Utilities
(43)
free
19
H2 flow water fasting
H2 flow water fasting
H2 flow water fasting
your water-fast companion
Free

This app guides users through water fasting with hydration tracking and mindful prompts. It offers science-based tools to support metabolic renewal and help users achieve fasting goals, from short to multi-day protocols.

Hydration trackingMindful guidanceScience-based tools
πŸ’ͺ Health & Fitness
(4)
free
20
Dinosaur Math Problems Games 2nd Grade Fast Math
Dinosaur Math Problems Games 2nd Grade Fast Math
Dinosaur Math Problems Games 2nd Grade Fast Math
by Nisit Boonnak
Free

This educational game makes learning math addition fun for second graders. Children can improve their calculation and logic skills through engaging gameplay, with scores provided at the end of each session. It's designed to help kids perform fast math in school.

Math addition practiceLogic skill developmentFast math challenges
πŸ“š Education
(1)
free

FAQ about 2 Fas

What are the best 2 fas apps for iPhone?
2FA Authenticator (2FAS) tops our 2 fas apps ranking as of August 2026, with a 4.7-star average from 35K App Store ratings, and it's free to download.
Yes β€” 20 of the top 2 fas apps we rank are free to download, including 2FA Authenticator (2FAS) and Google Authenticator.
2FA Authenticator (2FAS) has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ 2 fas apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app enables two-factor authentication (2FA) or multi-factor authentication (MFA) for your online accounts. It helps verify your identity and securely log in, protecting your personal data and passwords from cyber threats.
It uses TOTP and HOTP algorithms to generate time-based or counter-based one-time passwords. You can also enable app protection with a passcode or biometrics, and easily restore your authentication tokens with backups.

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