Best 2Fa Authenticator Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

The best 2fa authenticator apps on iPhone average 4.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top 2Fa Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
4Authenticator AppAuthenticator AppFree4.6★ (48K)NoYesAug 2026
5Twilio AuthyTwilio AuthyFree4.7★ (53K)NoNoAug 2026
6Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
7Authenticator ·Authenticator ·Free4.6★ (26K)NoYesAug 2026
82FA Authenticator: Moat2FA Authenticator: MoatFree5.0★ (1)NoYesAug 2026

Top Picks for 2Fa Authenticator

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😞(1.2M ratings)
Free
#4in 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😞(687K ratings)
Free
#6in 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 2Fa Authenticator apps to explore

4
Authenticator App
Authenticator App
Authenticator App
2FA Authentication MFA & OTP
Free

This app provides secure two-factor authentication codes for your online accounts, enhancing security with encryption and backups. It offers seamless synchronization across Apple devices and quick access via widgets, even when offline.

Secure & Private EncryptionEncrypted BackupAutomatic Synchronization
📊 Productivity
(48K)
subscription
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
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
7
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
8
2FA Authenticator: Moat
2FA Authenticator: Moat
2FA Authenticator: Moat
OTP, MFA & encrypted backup
Free

Securely manage your two-factor authentication codes and passwords with end-to-end encryption. Generate OTPs for thousands of services, sync across devices, and optionally monitor for password breaches. Works offline with no account required.

Generate 2FA codes (TOTP & HOTP)End-to-end encrypted backup & syncZero-knowledge security design
📊 Productivity
(1)
freemium
9
Authenticator ℠ App
Authenticator ℠ App
Authenticator ℠ App
Authentication App: 2FA, MFA
Free

Secure your online accounts with standards-based two-factor authentication. This app generates time-based one-time passwords directly on your device, offering a reliable second step for sign-ins without relying on SMS codes. Protect personal and work accounts across various platforms.

Secure TOTP verification codesFast and easy account setupFull control over 2FA accounts
🔧 Utilities
(4.7K)
free with in-app purchases
10
Authenticator: 2FA Auth & MFA
Authenticator: 2FA Auth & MFA
Authenticator: 2FA Auth & MFA
2 Factor Security: OTP & TOTP
Free

Secure your digital life with this app, offering easy management of two-factor and multi-factor authentication. Generate codes locally, sync across devices, and use biometric authentication for quick access. Organize accounts with custom labels and icons.

Secure 2FA & MFA code generationCross-platform device syncFace ID & Touch ID support
🔧 Utilities
(2)
free with in-app purchases
11
MFA Authenticator - Secure 2FA
MFA Authenticator - Secure 2FA
MFA Authenticator - Secure 2FA
#1 Authenticator App
Free

This app generates two-factor authentication codes and securely stores passwords in an encrypted vault. It offers offline functionality, biometric protection, and seamless syncing across devices.

Generate 2FA/MFA codes for thousands of servicesEncrypted offline password vaultBiometric app protection (Face ID/Touch ID)
🔧 Utilities
(2)
free with in-app purchases
12
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Backup,Transfer & Protect Code
Free

This app helps you securely manage two-factor authentication (2FA) and one-time password (OTP) codes for all your accounts. It offers features like code preview, secure data backup and transfer, and a password vault for enhanced digital security.

Manage 2FA and OTP codesPreview upcoming authentication codesSecure password vault
🔧 Utilities
(1)
free with in-app purchases
13
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me
Free

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)Push notification verification
📊 Productivity
(100K)
free
14
2FA Authenticator - MFA Auth.
2FA Authenticator - MFA Auth.
2FA Authenticator - MFA Auth.
2 factor step authentication
Free

This app adds an extra layer of security to your online accounts by implementing two-factor authentication. Easily set up new accounts by scanning QR codes and follow guided instructions to protect your sensitive information from unauthorized access.

Two-factor authenticationQR code account setupStep-by-step guides
🔧 Utilities
(1)
freemium
15
AuthForge: 2FA Authenticator
AuthForge: 2FA Authenticator
AuthForge: 2FA Authenticator
Secure your digital identity
Free

Generate and store secure one-time codes for two-factor authentication. Easily set up by scanning QR codes or manual entry, it supports thousands of services with a sleek, user-friendly interface. Enjoy cloud backup, biometric security, and an ad-free experience.

Quick & Easy SetupBroad CompatibilityHOTP & TOTP Support
📊 Productivity
(2)
free with in-app purchases
16
Authenticator App - OTP & 2FA
Authenticator App - OTP & 2FA
Authenticator App - OTP & 2FA
Easy login with iCloud sync
Free

Securely store and generate two-factor authentication codes with end-to-end encryption. Syncs across all your Apple devices and offers offline access, making logins quick and easy.

End-to-end encryptioniCloud sync across devicesHome Screen widget
🔧 Utilities
(3)
free with in-app purchases
17
Authenticator App₊
Authenticator App₊
Authenticator App₊
For 2FA MFA OTP Two ID Verify
Free

This app generates secure, time-based one-time passwords (TOTP) for two-factor authentication (2FA) and multi-factor authentication (MFA). It supports QR code scanning and manual setup, works offline, and offers encrypted backups and iCloud sync across Apple devices.

Secure 2FA & MFA code generationQR code scanner and manual setupOffline authentication codes
🔧 Utilities
(1)
free with in-app purchases
18
Authenticator App - Auth Code
Authenticator App - Auth Code
Authenticator App - Auth Code
2FA Authentication - OTP Token
Free

Enhance your online security by generating secure one-time passwords for social media, email, and crypto wallets. This app offers a fast QR code scanner, biometric security, and works offline. It also includes a robust password manager and strong password generator.

Time-based One-Time Passwords (TOTP)Lightning-Fast QR Code ScannerSecure iCloud Backup & Sync (PRO)
🔧 Utilities
(1)
freemium
19
Authenticator App - 2FA / OTP
Authenticator App - 2FA / OTP
Authenticator App - 2FA / OTP
Two-Factor Login & Secure MFA
Free

This app provides secure two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backups, cloud sync, and QR code support for easy account management across multiple devices.

Secure 2FA/MFA code generationEncrypted backup and cloud syncQR code account addition
📊 Productivity
(12)
free with in-app purchases
20
2FA ALP Authenticator PRO
2FA ALP Authenticator PRO
2FA ALP Authenticator PRO
by ALPCOM LTD
Free

This app provides a robust solution for enhancing account security through two-factor authentication. It generates time-based codes to add an extra layer of protection against unauthorized access, safeguarding your sensitive data.

Generate secure time-based codesEnhance account securityProtect sensitive data
🔧 Utilities
(1)
free

FAQ about 2Fa Authenticator

What are the best 2fa authenticator apps for iPhone?
2FA Authenticator (2FAS) tops our 2fa authenticator 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 2fa authenticator 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 250+ 2fa authenticator 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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