Best Two Way Authentication Apps

228+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Out of 228+ two way authentication 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.

Top Picks for Two Way Authentication

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
๐Ÿ“Š Productivity
4.7๐Ÿ˜ž(655K ratings)
Free
#10in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
Microsoft Authenticator screenshot 4
Microsoft Authenticator screenshot 5
Microsoft Authenticator screenshot 6

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.

What We Love

  • ๐Ÿš€ Seamless authentication
  • ๐Ÿ”’ Secure login process
  • ๐Ÿ‘ Convenient passwordless sign-in
  • ๐Ÿš€ Smooth app performance

Room to Improve

  • ๐Ÿ› Broken Apple Watch functionality
  • ๐Ÿ› Backup and restore issues
  • ๐Ÿ› Confusing login flow
Google Authenticator#2

Google Authenticator by Google LLC

Strong Contender
๐Ÿ”ง Utilities
4.9๐Ÿ˜ž(1.1M ratings)
Free
#6in 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

  • ๐Ÿ‘ User-friendly
  • ๐Ÿ”’ Secure authentication
  • ๐Ÿš€ Simple and fast
  • ๐Ÿ”’ Reliable security

Room to Improve

  • ๐Ÿ› Randomly deleted all codes
  • ๐Ÿ› Unreliable, lost access to accounts
  • ๐Ÿ› Timing issues, codes didn't work
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
๐Ÿ’ผ Business
4.9๐Ÿ˜(2.2M ratings)
Free
#22in 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

  • ๐Ÿ‘ Simple and easy to use
  • ๐Ÿ”’ Provides an extra layer of security
  • ๐Ÿš€ Quick and convenient authentication
  • ๐Ÿ”’ Secure login experience

Room to Improve

  • ๐Ÿ› Unreliable notifications and push functionality
  • ๐Ÿ› Compatibility issues when changing devices
  • ๐Ÿ› Slow and frustrating authentication process

More Two Way Authentication apps to explore

4
Two Factor Authenticator App
Two Factor Authenticator App
Two Factor Authenticator App
Simple 2FA Authentication
Free

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.

Secure 2FA code generationQR code setupSeamless device sync
๐Ÿ”ง Utilities
(58)
free with in-app purchases
5
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
๐Ÿ“Š Productivity
(12K)
subscription
6
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

Secure your online accounts with industry-standard two-factor authentication. Easily add accounts, generate time-based OTPs, and benefit from encrypted backups. Organize and manage your TFA with features like folders, brand logos, and search.

Add accounts via QR code or manual entryTime-based OTPs (offline access)Encrypted backup and secure recovery
๐Ÿ”ง Utilities
(33K)
free
7
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
๐Ÿ“Š Productivity
(2.2K)
free with in-app purchases
8
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
๐Ÿ“Š Productivity
(46K)
subscription
9
Authenticator ยฎ App
Authenticator ยฎ App
Authenticator ยฎ App
Two Factor Authentication Aั€ั€
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
๐Ÿ“Š Productivity
(3K)
free with in-app purchases
10
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.

Multi-Factor Authentication (MFA)Passwordless Security with PasskeysOne-Time Passcodes (OTP)
๐Ÿ’ผ Business
(319)
free
11
Authenticator App ยท
Authenticator App ยท
Authenticator App ยท
Two Factor Authentication, 2FA
Free

This app generates and securely stores two-factor authentication codes for your online accounts. It offers robust protection with encrypted data, seamless device synchronization, and quick access via widgets and Apple Watch. Enjoy offline code generation and a private browser for enhanced security.

Generate 2FA codesSecurely store codesDevice synchronization
๐Ÿ“Š Productivity
(80)
free with in-app purchases
12
Step Two
Step Two
Step Two
Simple two-step verification
Free

This app provides a simple and intuitive way to manage your two-step verification codes. It offers a modern design and a Safari extension for quick and secure logins to your online accounts. Codes are automatically backed up and synced across devices via iCloud.

Intuitive two-step verification managementModern and user-friendly designSafari extension for fast logins
๐Ÿ”ง Utilities
(185)
free with in-app purchases
13
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
Free

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)Push notification verification
๐Ÿ“Š Productivity
(100K)
free
14
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
๐Ÿ”ง Utilities
(5.7K)
free with in-app purchases
15
Okta Verify
Okta Verify
Okta Verify
by Okta, Inc.
Free

This app provides a secure way to verify your identity for account access. It offers two-factor authentication through temporary codes or push notifications. The app prioritizes privacy, only requesting camera access for initial device registration.

Two-step verificationGenerate 6-digit codesApprove sign-in requests via push notification
๐Ÿ’ผ Business
(37K)
free
16
SafeNet MobilePASS+
SafeNet MobilePASS+
SafeNet MobilePASS+
Thales Group
Free

This app provides secure mobile authentication for accessing cloud apps, VPNs, and other services. It offers one-tap push authentication, secure one-time passcodes, and biometric unlock options for enhanced security and user experience. The app supports quick self-enrollment and can manage multiple authenticators.

One-tap push authenticationSecure one-time passcodes (OTPs)TouchID/FaceID unlock
๐Ÿ’ผ Business
(115K)
free
17
Authenticator App - 2FA
Authenticator App - 2FA
Authenticator App - 2FA
2fa, Two Factor Authentication
Free

This app generates secure two-factor authentication codes for your online accounts. It adds an extra layer of security to prevent unauthorized access and offers cloud backup for your authentication keys. Easily add accounts by scanning QR codes or manual entry.

Secure accounts with 2FAGenerate time-based one-time passwords (TOTP)Encrypted cloud backup and sync
๐Ÿ“Š Productivity
(543)
freemium
18
Authenticator App๏ผ2FASใƒปMFAใƒปOTP
Authenticator App๏ผ2FASใƒปMFAใƒปOTP
Authenticator App๏ผ2FASใƒปMFAใƒปOTP
Two Factor AuthenticationใƒปTOTP
Free

Enhance your online security by generating time-based one-time passcodes for two-factor authentication. Securely manage multiple accounts with effortless setup, biometric integration, and cloud backups. Enjoy a sleek interface with cross-device syncing for ultimate convenience.

Multiple account supportQR code scanning for setupFace ID/Touch ID integration
๐Ÿ”ง Utilities
(400)
free with in-app purchases
19
Authenticator App โ€“ 2FA & MFA
Authenticator App โ€“ 2FA & MFA
Authenticator App โ€“ 2FA & MFA
Two factor Authentication-OTP
Free

Securely store and generate two-factor authentication tokens for your online accounts. This app enhances your digital security by providing Time-based One-time Passwords (TOTP) and Hash-based one-time passwords (HOTP). It offers encrypted backups and cross-device access for peace of mind.

Two-factor authentication token generationTime-based and Hash-based OTP supportEncrypted backup for security
๐Ÿ”ง Utilities
(98)
free with in-app purchases
20
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
Two-Factor Authentication Code
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
๐Ÿ”ง Utilities
(2.1K)
subscription