Best 2 Fas Auth Apps

248+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our 2 fas auth list covers 248+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top 2 Fas Auth Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
4Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
5Authenticator App: 2FA AuthyㅤAuthenticator App: 2FA AuthyㅤFreeYesYesJul 2026
6App Authenticator - 2fas AuthApp Authenticator - 2fas AuthFree4.6★ (147)NoYesJul 2026
7Authman 2FAAuthman 2FAFreeNoNoMay 2026
8Authenticator: Secure 2FA AppAuthenticator: Secure 2FA AppFree4.4★ (30)YesYesJul 2026

Top Picks for 2 Fas Auth

2FA Authenticator (2FAS)#1

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

#1 Rated 2FA Authenticator
Editor's Choice
📊 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

  • 🚀 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

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
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(677K ratings)
Free
#9in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
Microsoft Authenticator screenshot 4
Microsoft Authenticator screenshot 5
Microsoft Authenticator screenshot 6

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.

What We Love

  • 🚀 Seamless authentication
  • 🔒 Secure login process
  • 👍 Convenient passwordless sign-in
  • 🚀 Smooth app performance

Room to Improve

  • 🐛 Broken Apple Watch functionality
  • 🐛 Backup and restore issues
  • 🐛 Confusing login flow

More 2 Fas Auth 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
Authenticator App: 2FA Authyㅤ
Authenticator App: 2FA Authyㅤ
Authenticator App: 2FA Authyㅤ
2FA Authentication, OTP & MFA
Free
🔧 Utilities
(0)
6
App Authenticator - 2fas Auth
App Authenticator - 2fas Auth
App Authenticator - 2fas Auth
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
(147)
free
7
Authman 2FA
Authman 2FA
Authman 2FA
Cross-platform 2FA OTP App
Free
🔧 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
🔧 Utilities
(30)
free with in-app purchases
9
Authenticator: Secure 2FA Auth
Authenticator: Secure 2FA Auth
Authenticator: Secure 2FA Auth
2 Factor Authentication: MFA
Free

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

Organize 2FA tokens and passwordsOffline code generationBuilt-in secure browser
🔧 Utilities
(3)
free with in-app purchases
10
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
11
JOTA - Easy 2FA
JOTA - Easy 2FA
JOTA - Easy 2FA
by Jeff Chen
Free
📊 Productivity
(0)
12
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Secure 2FA for All Accounts
Free
🔧 Utilities
(0)
13
30 Seconds — 2FA codes
30 Seconds — 2FA codes
30 Seconds — 2FA codes
One-time passwords
Free
🔧 Utilities
(0)
14
Auth+ 2FA Authenticator
Auth+ 2FA Authenticator
Auth+ 2FA Authenticator
Keep your accounts secure.
Free
🔧 Utilities
(0)
15
2FA.Authenticator - SecureKey
2FA.Authenticator - SecureKey
2FA.Authenticator - SecureKey
by Murat Dikenci
Free
🔧 Utilities
(0)
16
2FA Authenticator - MFA Auth
2FA Authenticator - MFA Auth
2FA Authenticator - MFA Auth
2FA and MFA Authenticator App
Free
📊 Productivity
(0)
17
Auth0 Guardian
Auth0 Guardian
Auth0 Guardian
Multi Factor Authenticator
Free

This app provides multi-factor authentication by sending push notifications to your device for easy approval or denial of account access. It can also generate one-time passwords for secure logins.

Push notification authenticationAllow/deny account accessOne-time password generation
🔧 Utilities
(113)
free
18
TFL Auth
TFL Auth
TFL Auth
by Mohammad Ali
Free
📊 Productivity
(0)
19
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
20
Authenticator App - MFA / 2FA
Authenticator App - MFA / 2FA
Authenticator App - MFA / 2FA
2 Factor Authentication & OTP
Free
🔧 Utilities
(0)

FAQ about 2 Fas Auth

What are the best 2 fas auth apps for iPhone?
2FA Authenticator (2FAS) tops our 2 fas auth apps ranking as of August 2026, with a 4.7-star average from 35K App Store ratings, and it's free to download.
Yes — 20 of the top 2 fas auth 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 auth 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.