Best Backup Code Apps

249+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

Out of 249+ backup code apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Backup Code Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
2Authenticator AppAuthenticator AppFree4.6★ (49K)NoYesSep 2026
3Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
42FA: TOTP Authenticator App2FA: TOTP Authenticator AppFree4.6★ (41)YesYesSep 2026
5QR Code Scanner - Easy ReaderQR Code Scanner - Easy ReaderFreeNoNoAug 2026
6Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (690K)NoNoSep 2026
7QR Code: Backup & RestoreQR Code: Backup & RestoreFreeNoYesAug 2026
8Authenticator ·Authenticator ·Free4.6★ (26K)NoYesSep 2026

Top Picks for Backup Code

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 Utilities
4.9😞(1.2M ratings)
Free
#3in Utilities
Google Authenticator screenshot 1
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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
  • 👍 Easy to use

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
  • 🐛 Accounts duplicated then deleted
  • 🐛 Wiped all accounts after update
Authenticator App#2

Authenticator App by 2Stable

2FA Authentication MFA & OTP
Strong Contender
📊 Productivity
4.6😊(49K ratings)
FreeIn-App Purchases
#48in Productivity
Authenticator App screenshot 1
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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.

What We Love

  • 🚀 Works well
  • 🔒 Secure and reliable
  • 👍 Easy to use and set up
  • 💡 Excellent cross-device sync and backup
  • 👍 Convenient desktop app
  • 👍 Responsive and helpful support

Room to Improve

  • 🐛 Compatibility issues with newer devices
  • 💰 Expensive subscription
  • 🔒 Limited free version
  • 👎 Confusing setup and instructions
  • 🐛 Bugs and crashes
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.3M ratings)
Free
#14in Business
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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
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
  • 🐛 Confusing and non-intuitive user interface
  • 🐛 Forced use of the app causing inconvenience
  • 🐛 Inability to remove or deactivate the app

More Backup Code apps to explore

FAQ about Backup Code

What are the best backup code apps for iPhone?
Google Authenticator tops our backup code apps ranking as of August 2026, with a 4.9-star average from 1.2M App Store ratings, and it's free to download.
Yes — 20 of the top backup code apps we rank are free to download, including Google Authenticator and Authenticator App.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ backup code apps on the iOS App Store as of August 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.