Best Mobile Authenticator Device Apps

245+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.0★, the mobile authenticator device category is one of the App Store's strongest. Browse all 245+ apps we track, sorted so the most loved ones surface first.

Compare top Mobile Authenticator Device Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
2OneSpan Mobile AuthenticatorOneSpan Mobile AuthenticatorFree4.8★ (1.4K)NoNoAug 2026
3Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
4Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
5SafeNet MobilePASS+SafeNet MobilePASS+Free4.8★ (115K)NoNoAug 2026
6ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoAug 2026
7Salesforce AuthenticatorSalesforce AuthenticatorFree4.6★ (4.3K)NoNoAug 2026
8RSA Authenticator (SecurID)RSA Authenticator (SecurID)Free2.7★ (327)NoNoAug 2026

Top Picks for Mobile Authenticator Device

Duo Mobile#1

Duo Mobile by Duo Security LLC

Security made simple
Editor's Choice
💼 Business
4.9😐(2.2M ratings)
Free
#15in 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

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
Google Authenticator#3

Google Authenticator by Google

Worth Considering
🔧 Utilities
4.9😞(1.2M 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

More Mobile Authenticator Device apps to explore

4
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

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.

Multi-factor authentication (MFA)Passwordless sign-inPassword autofill
📊 Productivity
(687K)
free
5
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
💼 Business
(115K)
free
6
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me
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
7
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
(4.3K)
free
8
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)
💼 Business
(327)
free
9
Oracle Mobile Authenticator
Oracle Mobile Authenticator
Oracle Mobile Authenticator
by Oracle America, Inc.
Free

Securely verify your identity with your mobile device. This app generates one-time passcodes for logins or sends push notifications for approval, adding a vital layer of security to online applications beyond standard username and password.

Generate one-time passwords offlinePush notification approvalApp protection with Touch ID or PIN
💼 Business
(90)
free
10
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
11
BAuthenticator
BAuthenticator
BAuthenticator
by Beijing Ji'an Technology Co., Ltd
Free

This app provides a secure and convenient way to manage your two-factor authentication codes. It supports both manual entry of 16-digit keys and scanning QR codes for easy setup.

Supports 16-digit key entryQR code scanning for setupTwo-factor authentication management
🔧 Utilities
(43)
free
12
Simeio Authenticator
Simeio Authenticator
Simeio Authenticator
Protect your online identity
Free
📊 Productivity
(0)
13
SurePassID Push Authenticator
SurePassID Push Authenticator
SurePassID Push Authenticator
by SurePassID Corporation
Free

This app provides a cost-effective solution for multi-factor authentication using soft and push tokens. It offers a convenient backup to hardware tokens, allowing users to authenticate solely with their mobile devices.

Multi-factor authenticationSoft and push tokensBackup for hardware tokens
🔧 Utilities
(21)
free
14
Bitwarden Authenticator
Bitwarden Authenticator
Bitwarden Authenticator
Generate 2FA on your device
Free

Generate secure verification codes for two-factor authentication on your device. This app supports any website or application using industry-standard TOTP, adding an extra layer of protection to your online accounts.

Generate 2FA verification codesSupports TOTP standardUniversal compatibility
📊 Productivity
(95)
free
15
2FA Authenticator • MFA Verify
2FA Authenticator • MFA Verify
2FA Authenticator • MFA Verify
Secure Two Factor - Auth & OTP
Free

This app provides enhanced security for your online accounts by generating temporary, time-based codes. It offers one-tap authentication, secure cloud backup, and flexible account management for a safer digital experience.

One-Tap AuthenticationMulti-Factor SecurityTime-Based One-Time Passwords (TOTP)
🔧 Utilities
(31)
freemium
16
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Backup,Transfer & Protect Code
Free

This app helps you securely manage two-factor authentication (2FA) and one-time password (OTP) codes for all your accounts. It offers features like code preview, secure data backup and transfer, and a password vault for enhanced digital security.

Manage 2FA and OTP codesPreview upcoming authentication codesSecure password vault
🔧 Utilities
(1)
free with in-app purchases
17
FIS Authenticator
FIS Authenticator
FIS Authenticator
by eFunds Corporation
Free

This app provides a secure second-factor authentication solution for users of FIS' Infinity IdP identity management service. It acts as a mobile companion to enhance account security.

Second-factor authenticationIdentity management companionEnhanced account security
🔧 Utilities
(197)
free
18
Authenticator App: 2FA, MFA
Authenticator App: 2FA, MFA
Authenticator App: 2FA, MFA
2 Factor Authentication, Auth
Free

Secure your online accounts with two-factor authentication. This app offers passwordless sign-ins, seamless autofill, and encrypted backups. It supports a vast range of services and works across Apple devices, with advanced security features like Face ID and Touch ID.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Passwordless sign-ins
📊 Productivity
(86)
free with in-app purchases
19
Authenticator App・ 2FA, MFA
Authenticator App・ 2FA, MFA
Authenticator App・ 2FA, MFA
Secure 2FA & OTP Codes
Free

This app generates time-based one-time passwords for enhanced login security. It supports multiple accounts, QR code scanning for easy setup, and biometric protection. Premium offers unlimited access to all features, including a built-in password manager and breach checking.

Secure 2FA code generationQR code scanning setupMulti-account support
🔧 Utilities
(7)
freemium
20
Authenticator 2FA by GA
Authenticator 2FA by GA
Authenticator 2FA by GA
MFA & OTP Authentication App
Free

Securely store and generate authentication tokens for your online accounts. Encrypts all data on your device and iCloud, offering seamless import, export, and backup options. Access codes quickly via widgets and protect the app with biometric or PIN locks.

Encrypted token storageOffline code generationEasy import/export
🔧 Utilities
(19)
free with in-app purchases

FAQ about Mobile Authenticator Device

What are the best mobile authenticator device apps for iPhone?
Duo Mobile tops our mobile authenticator device apps ranking as of August 2026, with a 4.9-star average from 2.2M App Store ratings, and it's free to download.
Yes — 20 of the top mobile authenticator device apps we rank are free to download, including Duo Mobile and OneSpan Mobile Authenticator.
Duo Mobile has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 245+ mobile authenticator device apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Duo Mobile enhances login security by providing two-factor authentication. It generates passcodes and allows for one-tap authentication via push notifications to secure your accounts.
The application works with Duo Security's service to offer secure logins. You can generate passcodes directly within the app or approve login requests with a simple tap on a push notification.