Best apps like Authenticator Duo - Two Factor

40+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated August 2026

Authenticator Duo is great, but it's not the only option. Explore 40+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Authenticator Duo

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: Two Factor App#2

Authenticator: Two Factor App by KERIM CEMIL OZURUK

MFA & 2FA Verify, Security
Strong Contender
🔧 Utilities
3.7(6 ratings)
FreeIn-App Purchases
Authenticator: Two Factor App screenshot 1
Authenticator: Two Factor App screenshot 2
Authenticator: Two Factor App screenshot 3
Authenticator: Two Factor App screenshot 4

This app generates time-based one-time passwords (OTP) to secure your online accounts. It offers quick setup via QR code scanning, regular OTP updates, and works offline. Data is encrypted and can be backed up to iCloud for seamless device synchronization.

Two Factor Authenticator App#3

Two Factor Authenticator App by Zipo Apps Ltd.

Simple 2FA Authentication
Worth Considering
🔧 Utilities
4.5(58 ratings)
FreeAdsIn-App Purchases
Two Factor Authenticator App screenshot 1
Two Factor Authenticator App screenshot 2
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Generate and store secure two-factor authentication codes for enhanced online account protection. Easily set up tokens via QR code scanning and access codes instantly with widgets and FaceID. Enjoy offline code generation and private browsing.

More apps like Authenticator Duo

4
Authenticator・2FA・MFA・OTP
Authenticator・2FA・MFA・OTP
Authenticator・2FA・MFA・OTP
Two Factor Authentication・TOTP
Free

Secure your online accounts with two-factor authentication. This app generates time-based one-time passcodes for an extra layer of security beyond your password. It offers fast setup via QR codes or manual entry and cross-platform syncing.

Two-factor authentication (2FA)Time-based one-time passcodes (TOTP)QR code scanning for setup
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Authenticator - Two Factor App
Authenticator - Two Factor App
Authenticator - Two Factor App
MFA & 2FA Verify, Security
Free

This app generates time-based one-time passwords (OTP) to enhance the security of your online accounts. It offers quick setup via QR code scanning and works offline once configured. Data is encrypted and can be backed up to iCloud for seamless device synchronization.

Quick setup with QR code scanningRegularly updated OTPsOffline functionality
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6
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
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7
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
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subscription
8
Authenticator - OTP Security.
Authenticator - OTP Security.
Authenticator - OTP Security.
Multi-Factor Authentication
Free

This app enhances account security by generating time-based, one-time passwords for two-factor authentication. It works offline and supports multiple accounts for emails, social media, and banking.

Time-based one-time password generationOffline code generationSupports multiple accounts
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(5)
free with in-app purchases
9
Authenticator App - Two Factor
Authenticator App - Two Factor
Authenticator App - Two Factor
Two-factor - Duo Security
Free

Secure your online accounts with this simple and safe two-factor authentication app. It generates 6-digit one-time passwords to add an extra layer of security against hackers. Protect your accounts by scanning QR codes or manually entering tokens.

Secures online accountsGenerates 6-digit TOTP codesSupports QR code scanning
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10
Authenticator: Mobile 2FA, MFA
Authenticator: Mobile 2FA, MFA
Authenticator: Mobile 2FA, MFA
Two Factor Authentication・TOTP
Free

Enhance your online security with this app that generates time-based one-time passwords for two-factor authentication. It securely stores all your accounts in one place and works offline, offering peace of mind against cyber threats.

Generates secure TOTP codesStores all accounts in one appWorks offline
🔧 Utilities
(126)
free with in-app purchases