Best apps like 인증앱 - 2FA 인증기 & 모바일OTP

36+ similar apps compared and reviewed

4.6 avg rating
10 free apps
Updated July 2026

Looking for something like 인증앱? We've analyzed 36+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to 인증앱

Authenticator・2FA・MFA・OTP#1

Authenticator・2FA・MFA・OTP by Jack Mendoza

Two MultiFactor Authentication
Editor's Choice
🔧 Utilities
4.6(78 ratings)
FreeIn-App Purchases
Authenticator・2FA・MFA・OTP screenshot 1
Authenticator・2FA・MFA・OTP screenshot 2
Authenticator・2FA・MFA・OTP screenshot 3
Authenticator・2FA・MFA・OTP screenshot 4
Authenticator・2FA・MFA・OTP screenshot 5
Authenticator・2FA・MFA・OTP screenshot 6

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.

Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 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 - 2FA, MFA#3

Authenticator app - 2FA, MFA by Maxima Apps

Two Factor Authentication, OTP
Worth Considering
🔧 Utilities
4.6😐(5.7K ratings)
FreeIn-App Purchases
Authenticator app - 2FA, MFA screenshot 1
Authenticator app - 2FA, MFA screenshot 2
Authenticator app - 2FA, MFA screenshot 3
Authenticator app - 2FA, MFA screenshot 4
Authenticator app - 2FA, MFA screenshot 5
Authenticator app - 2FA, MFA screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🔒 Secure authentication
  • 👍 Reliable and works well
  • 🚀 Quick and efficient

Room to Improve

  • 🐛 Bugs and glitches
  • 💰 Expensive or hidden fees
  • 🤯 Confusing setup and usage

More apps like 인증앱

4
Authentication App - MFA, tOTP
Authentication App - MFA, tOTP
Authentication App - MFA, tOTP
AKA: Two factor authentication
Free

Enhance your online account security with this two-factor authentication utility. Easily add accounts by scanning QR codes or entering details manually. Securely back up and sync your data with iCloud Keychain for device loss or upgrades.

Two-factor authentication (2FA)QR code scanning for account setupManual account detail entry
🔧 Utilities
(528)
freemium
5
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
6
The authenticator App - 2FA
The authenticator App - 2FA
The authenticator App - 2FA
multi factor authentication
Free

Securely manage all your two-factor authentication codes in one place. Scan QR codes or manually add accounts for easy access, protected by Face ID or password.

2FA Code GenerationQR Code ScanningCentralized Account Management
🔧 Utilities
(61)
subscription
7
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
🔧 Utilities
(400)
free with in-app purchases
8
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Secure Passwords with 2FA, MFA
Free

Secure your online accounts with two-factor and multi-factor authentication. Generates time-based one-time passwords (TOTP) and OTP codes for fast, reliable logins. Includes a built-in password manager and encrypted backup for all your credentials.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)
🔧 Utilities
(880)
free with in-app purchases
9
Authenticator: Secure 2FA App
Authenticator: Secure 2FA App
Authenticator: Secure 2FA App
MFA, TOTP Password Auth - 2FAs
Free

This app provides robust two-factor authentication to secure your online accounts. It offers features like account organization, secure password storage, and cross-device synchronization for enhanced digital identity protection.

Two-factor authentication (2FA)Account creation via QR code or manual entryAccount organization with folders
🔧 Utilities
(30)
free with in-app purchases
10
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