Best Google Two Factor Authentication Apps

238+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our google two factor authentication list covers 238+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Compare top Google Two Factor Authentication Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
2Authenticator App - AuthkeyAuthenticator App - AuthkeyFree4.7★ (3.4K)NoYesAug 2026
3Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
4Authenticator ℠ AppAuthenticator ℠ AppFree4.3★ (4.4K)YesYesAug 2026
52FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
6Authenticator App+Authenticator App+Free4.8★ (12K)YesYesAug 2026
7Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
8Authenticator ® AppAuthenticator ® AppFree4.4★ (3.2K)YesYesAug 2026

Top Picks for Google Two Factor Authentication

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 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
Authenticator App - Authkey#2

Authenticator App - Authkey by SkyRise Networks

Two factor authentication, 2fa
Strong Contender
🔧 Utilities
4.7😞(3.4K ratings)
FreeIn-App Purchases
Authenticator App - Authkey screenshot 1
Authenticator App - Authkey screenshot 2
Authenticator App - Authkey screenshot 3
Authenticator App - Authkey screenshot 4
Authenticator App - Authkey screenshot 5
Authenticator App - Authkey screenshot 6

Enhance your online security with this app, offering a secure and reliable method to protect your accounts. It generates unique codes for two-factor authentication, ensuring your personal information stays safe.

What We Love

  • 👍 Seamless functionality
  • 🚀 Quick and easy setup
  • 🔒 Robust security features

Room to Improve

  • 🐛 Compatibility issues
  • 💰 Expensive subscription
  • 🤯 Confusing user interface
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.2M ratings)
Free
#17in Business
Duo Mobile screenshot 1
Duo Mobile screenshot 2
Duo Mobile screenshot 3
Duo Mobile screenshot 4

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.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process

More Google Two Factor Authentication apps to explore

4
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
(4.4K)
free with in-app purchases
5
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free

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.

Two-factor authenticationToken backup and restoreApp protection with passcode/biometrics
📊 Productivity
(35K)
free
6
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
7
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
📊 Productivity
(677K)
free
8
Authenticator ® App
Authenticator ® App
Authenticator ® App
2FA Two Factor Authentication
Free

This app enhances online security by managing two-factor authentication codes for over 1,000 applications. It offers features like password leak detection, VPN protection, and secure password autofill, with cloud backups and biometric security options.

Two-factor authentication code generationPassword leak detectionVPN protection
📊 Productivity
(3.2K)
free with in-app purchases
9
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
10
Authenticator+ App
Authenticator+ App
Authenticator+ App
Authentication OTP 2FA/MFA
Free

This app provides an unlimited proxy and ad blocker for Safari, enhancing your browsing experience. It also offers a VPN manager with numerous servers and a data manager to track Wi-Fi and cellular data usage.

Ad blocking for SafariUnlimited proxy accessVPN server manager
📊 Productivity
(3K)
free with in-app purchases
11
Authenticator App ™
Authenticator App ™
Authenticator App ™
Two Factor Authentication
Free

This app provides a secure way to manage two-factor authentication (2FA) for your online accounts. It generates time-based one-time passwords (TOTP) that update every 30 seconds, offering an extra layer of security without needing an internet connection. Features include iCloud backup, cross-device synchronization, and biometric unlock.

Time-based one-time password (TOTP) generationSecure iCloud backup and encryptionSynchronization across all devices
🔧 Utilities
(24K)
free with in-app purchases
12
Authenticator+ 2FA App
Authenticator+ 2FA App
Authenticator+ 2FA App
2FA Authentication, MFA & OTP
Free

This app provides a secure and private way to manage two-factor authentication codes for all your online accounts. It generates verification codes instantly, supports offline access, and offers robust security features like Face ID protection.

Secure two-factor authentication (2FA)Instant verification code generationFast QR code setup
🔧 Utilities
(22)
subscription
13
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
14
Authenticator App†
Authenticator App†
Authenticator App†
2FA Authentication MFA OTP
Free

Secure your online accounts with a versatile two-factor authentication solution. Manage all your authentication codes in one place, offering enhanced security for websites, services, and crypto wallets. Supports biometric access and offline code generation.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)
🔧 Utilities
(2.5K)
free with in-app purchases
15
Authenticator App ◦
Authenticator App ◦
Authenticator App ◦
Two Factor Authentication, 2FA
Free

This app enhances your digital security by protecting your online privacy and identity. It offers features like privacy detection for photos, two-factor authentication for accounts, secure storage for personal files, and detection of phishing websites. Safely scan QR codes and barcodes to guard against online threats.

Privacy detection for photosTwo-factor authenticationSecure password-protected folder
🔧 Utilities
(982)
free with in-app purchases
16
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
OTP Two Factor for ID Verify
Free

This app provides secure two-factor authentication (2FA) codes for thousands of online accounts. It also offers a password manager with autofill, encrypted backups, and cross-device sync for enhanced digital security.

Two-Factor Authentication (2FA) codesPassword Manager with AutofillEncrypted Backups
📊 Productivity
(1.8K)
free with in-app purchases
17
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
TOTP Two Factor Authentication
Free

This app offers a comprehensive security solution, combining two-factor authentication, a password manager, and VPN protection. Secure your accounts and online privacy with advanced encryption and seamless backup features.

Two-Factor Authentication (2FA)TOTP code generationPassword Manager
🔧 Utilities
(2.1K)
subscription
18
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
19
Authenticator App · 2FA & MFA
Authenticator App · 2FA & MFA
Authenticator App · 2FA & MFA
Two Factor Authentication Auth
Free

Secure your online accounts with this app that generates time-based one-time passwords (TOTP) for two-factor authentication. It offers multiple ways to add accounts, including QR code scanning, manual entry, and importing from gallery, providing a robust second layer of defense against unauthorized access.

Two-factor authentication codesTime-based one-time passwords (TOTP)QR code scanning
🔧 Utilities
(109)
free with in-app purchases
20
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
📊 Productivity
(368)
free with in-app purchases

FAQ about Google Two Factor Authentication

What are the best google two factor authentication apps for iPhone?
Google Authenticator tops our google two factor authentication apps ranking as of July 2026, with a 4.9-star average from 1.1M App Store ratings, and it's free to download.
Yes — 20 of the top google two factor authentication apps we rank are free to download, including Google Authenticator and Authenticator App - Authkey.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 238+ google two factor authentication apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Google Authenticator adds an extra layer of security to your online accounts by generating a second verification code needed to sign in, in addition to your password. This code is generated on your phone.
You can set up your Authenticator accounts automatically by scanning a QR code provided by the service you wish to secure. This is a quick and easy process that ensures correct setup.