Best Two Factor Authenticator 2Fa Apps

248+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

Two Factor Authenticator 2FA is the household name in two factor authenticator 2fa, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Two Factor Authenticator 2Fa Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Two Factor Authenticator 2FATwo Factor Authenticator 2FAFreeYesYesJul 2026
22FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
3Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
4Authenticator app — 2FA, MFAAuthenticator app — 2FA, MFAFreeNoYesJul 2026
5Authenticator app - 2FA, MFAAuthenticator app - 2FA, MFAFree4.6★ (5.7K)NoYesAug 2026
6Authenticator App 2FA — LokioAuthenticator App 2FA — LokioFreeNoYesAug 2026
7AuthenticatorAuthenticatorFree3.7★ (407)NoNoAug 2026
8Authenticator App ℠Authenticator App ℠Free1.0★ (2)YesYesAug 2026

Top Picks for Two Factor Authenticator 2Fa

2FA Authenticator (2FAS)#2

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

#1 Rated 2FA Authenticator
Strong Contender
📊 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#3

Google Authenticator by Google LLC

Worth Considering
🔧 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 Two Factor Authenticator 2Fa apps to explore

4
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Two Factor Authenticatior TOTP
Free
🔧 Utilities
(0)
5
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Two Factor Authentication, OTP
Free

This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Supports 1000+ apps
🔧 Utilities
(5.7K)
free with in-app purchases
6
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
7
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

This app provides a secure and straightforward way to protect your online accounts. It generates one-time passwords that, when combined with your regular password, significantly enhance your account security. The app operates offline, ensuring your sensitive data remains on your device.

Generates one-time passwordsQR code setupEncrypted data storage
🔧 Utilities
(407)
free
8
Authenticator App ℠
Authenticator App ℠
Authenticator App ℠
2FA, Two Factor Authentication
Free

Secure your online accounts with this app's two-factor authentication. It generates time-based one-time passwords directly on your device, offering a reliable second step for sign-ins without relying on SMS. Protect over 1,000 apps and manage all your authentication entries in one place.

Secure TOTP verification codesEasy QR code scanning setupPassword leak detection
📊 Productivity
(2)
free with in-app purchases
9
Authenticator App · 2FA
Authenticator App · 2FA
Authenticator App · 2FA
2FA: Two Factor Authentication
Free

This app provides an extra layer of security for your online accounts by generating time-based one-time passwords (TOTP/OTP) for two-factor authentication. It supports numerous services and offers features like encrypted sync, passkey support, and app-level security.

Generate 2-factor authentication codesSupport for passkeys and passwordless loginsEncrypted sync and backup via iCloud/Google Cloud
🔧 Utilities
(379)
subscription
10
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
11
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
12
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
13
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
14
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
(117)
free with in-app purchases
15
Authenticator App | 2FA Auth
Authenticator App | 2FA Auth
Authenticator App | 2FA Auth
Secure 2-Factor Auth Manager
Free

Enhance your online security with a robust two-factor authentication manager. This app generates time-based one-time passwords (TOTP) for secure logins, even offline. It also offers password management and easy account import/export for thousands of services.

Two-Factor Authentication (2FA)Time-Based One-Time Passwords (TOTP)Offline Capability
🔧 Utilities
(50)
free with in-app purchases
16
Authenticator App -2FA Secure
Authenticator App -2FA Secure
Authenticator App -2FA Secure
Secure Sign into Your Accounts
Free

This app provides a secure way to manage your online accounts with two-factor authentication (2FA). It generates time-based one-time passwords (TOTP) to protect against unauthorized access and offers features like cloud synchronization, a private photo album, and a security center for enhanced digital safety.

Two-factor authentication (2FA) supportGenerates time-based one-time passwords (TOTP)Cloud synchronization for data backup
🔧 Utilities
(3)
free with in-app purchases
17
MFA Authenticator ‒ Secure 2FA
MFA Authenticator ‒ Secure 2FA
MFA Authenticator ‒ Secure 2FA
2 Factor Auth: OTP & Verify
Free

Enhance your online security with this app, offering multi-factor authentication and time-based one-time passwords for all your accounts. It provides a secure backup and recovery option, along with proactive security measures like auto-lock and biometric authentication.

One-tap authenticationMulti-factor securityTime-based one-time passwords (TOTP)
🔧 Utilities
(60)
free with in-app purchases
18
Authenticator App: 2FA, MFA
Authenticator App: 2FA, MFA
Authenticator App: 2FA, MFA
2 Factor Authentication, Auth
Free

Secure your online accounts with two-factor authentication. This app offers passwordless sign-ins, seamless autofill, and encrypted backups. It supports a vast range of services and works across Apple devices, with advanced security features like Face ID and Touch ID.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Passwordless sign-ins
📊 Productivity
(86)
free with in-app purchases
19
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
2 Factor Auth: OTP & Verify
Free

This app simplifies online security by enabling two-factor authentication for all your accounts in one place. It offers secure backups, biometric locks, and seamless device syncing for a private and user-friendly experience.

Two-factor authentication managementSecure token backupsPasscode and biometric app lock
🔧 Utilities
(104)
freemium
20
Authenticator Duo: Two Factor
Authenticator Duo: Two Factor
Authenticator Duo: Two Factor
2Fa Authy, MFA Authentication
Free

Secure your online accounts with this app that generates and stores two-factor authentication codes. It offers end-to-end encryption, Face ID/Touch ID access, and encrypted iCloud backups for easy restoration across devices. Operate securely offline and import existing tokens.

Generate and store 2FA/MFA tokensScan QR codes or manually input codesEnd-to-end encryption for all codes
🔧 Utilities
(14)
subscription

FAQ about Two Factor Authenticator 2Fa

Are there free two factor authenticator 2fa apps for iPhone?
Yes — 20 of the top two factor authenticator 2fa apps we rank are free to download, including Two Factor Authenticator 2FA and 2FA Authenticator (2FAS).
Two Factor Authenticator 2FA shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ two factor authenticator 2fa apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.