Best Password Authenticator Apps

231+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Looking for free password authenticator apps? 20 of our 231+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Password Authenticator

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(663K 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

  • 🚀 Seamless authentication
  • 🔒 Secure login process
  • 👍 Convenient passwordless sign-in
  • 🚀 Smooth app performance

Room to Improve

  • 🐛 Broken Apple Watch functionality
  • 🐛 Backup and restore issues
  • 🐛 Confusing login flow
Passwords#2

Passwords by Apple Inc.

Strong Contender
🔧 Utilities
4.7😊(609K ratings)
Free
Passwords screenshot 1
Passwords screenshot 2
Passwords screenshot 3

Securely store and manage all your passwords, passkeys, and Wi-Fi credentials in one encrypted location. Quickly sign into websites and apps with autofill, and sync your information across devices for easy access on the go. Receive alerts for compromised passwords and manage two-factor authentication codes.

What We Love

  • 🚀 Easy access to passwords
  • 🔒 Secure password storage
  • 👍 Convenient password sharing
  • 👍 Seamless integration with Apple devices

Room to Improve

  • 🐛 Passwords not always saving correctly
  • 🐛 Difficulty updating existing passwords
  • 🐛 Blank/crashing app on some devices
Google Authenticator#3

Google Authenticator by Google LLC

Worth Considering
🔧 Utilities
4.9😞(1.1M ratings)
Free
#5in 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

More Password Authenticator apps to explore

4
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
(46K)
subscription
5
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

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.

Two-factor authenticationPasscode generationPush notification authentication
💼 Business
(2.2M)
free
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
(26K)
free with in-app purchases
7
Authenticator™ App
Authenticator™ App
Authenticator™ App
Authenticator App
Free

This app generates secure, time-based one-time passwords for two-factor authentication. It supports automatic setup via QR code and works offline, synchronizing across Apple devices with iCloud backup and encryption.

Automatic QR code setupOffline code generationiCloud Backup & Encryption
🔧 Utilities
(239)
free with in-app purchases
8
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
📊 Productivity
(100K)
free
9
Keeper Password Manager
Keeper Password Manager
Keeper Password Manager
Passkey & Password Generator
Free

Securely store, generate, and autofill passwords, passkeys, and 2FA codes across all your devices. Protects sensitive data with zero-knowledge encryption and monitors the dark web for breaches.

Secure password generationPasskey and 2FA code storageCross-device syncing
📊 Productivity
(227K)
free with in-app purchases
10
Twilio Authy
Twilio Authy
Twilio Authy
by Authy Inc.
Free

This app provides a secure and convenient way to manage two-factor authentication tokens for your online accounts. It offers features like cloud backups, multi-device synchronization, and offline token generation to enhance account security and prevent lockouts.

Secure 2-step verification token generationEncrypted cloud backupsMulti-device synchronization
🔧 Utilities
(53K)
free
11
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
12
1Password: Password Manager
1Password: Password Manager
1Password: Password Manager
Save & share passwords safely
Free

Securely store, generate, and autofill passwords and passkeys across all your devices. This app also manages other sensitive information like credit cards and notes, with features for secure sharing and travel.

Generate strong passwordsAutofill loginsTwo-factor authentication codes
📊 Productivity
(20K)
freemium
13
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
(34K)
free
14
LastPass Password Manager
LastPass Password Manager
LastPass Password Manager
Store & Autofill Passwords
Free

Securely store, generate, and autofill passwords and other sensitive information with a single master password. Syncs across all devices and offers advanced security features.

Secure password vaultAutofill loginsPassword generator
📊 Productivity
(57K)
freemium
15
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
16
Authenticator App +
Authenticator App +
Authenticator App +
Authentication App, Copilot
Free

Secure your online accounts with an authentication and password management tool. It offers AI assistance for setup, generates strong passwords, and detects data leaks and phishing sites. Access is secured with biometric authentication.

Account Authentication CopilotPassword Generator & Manager2FA Support
💼 Business
(1.2K)
free with in-app purchases
17
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
18
Authenticator App – 2FA & MFA
Authenticator App – 2FA & MFA
Authenticator App – 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
🔧 Utilities
(98)
free with in-app purchases
19
Salesforce Authenticator
Salesforce Authenticator
Salesforce Authenticator
by salesforce.com
Free

Enhance your online security with multi-factor authentication. This app sends push notifications to your device for identity verification, allowing you to approve or deny login attempts with a simple tap. It also offers one-time verification codes for offline use and can automate approvals for trusted locations.

Multi-factor authenticationPush notification approvalsOne-time verification codes
💼 Business
(4.1K)
free
20
Authenticator ℠ App
Authenticator ℠ App
Authenticator ℠ App
2FA, Two Factor Authentication
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
(4K)
free with in-app purchases

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