Best Otp Authenticator Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

If you already know OTP Auth, this is the deeper bench. 250+ otp authenticator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Otp Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OTP AuthOTP AuthFree4.6★ (463)NoYesJul 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
4FreeOTP AuthenticatorFreeOTP AuthenticatorFree3.2★ (173)NoNoAug 2026
5Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
6OTP AuthenticatorOTP AuthenticatorFreeNoNoMay 2026
7Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (33K)NoNoAug 2026
82FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026

Top Picks for Otp Authenticator

OTP Auth#1

OTP Auth by Roland Moers

2-Factor Auth for Pros
Editor's Choice
🔧 Utilities
4.6😊(463 ratings)
FreeIn-App Purchases
OTP Auth screenshot 1
OTP Auth screenshot 2
OTP Auth screenshot 3
OTP Auth screenshot 4

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

What We Love

  • 🚀 Simple and effective
  • 🔒 Secure with backup/restore
  • 👍 Great Apple Watch support
  • 👍 Intuitive and user-friendly

Room to Improve

  • 🐛 Occasional sync and widget issues
  • 🐛 Apple Watch app needs improvements
  • 🐛 Unreliable backup/restore for some users
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
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(677K ratings)
Free
#9in 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

More Otp Authenticator apps to explore

4
FreeOTP Authenticator
FreeOTP Authenticator
FreeOTP Authenticator
by Red Hat
Free

Generate one-time passwords for enhanced online account security. This app creates temporary codes that, when used with your regular password, significantly strengthen your login protection. It functions even without an internet connection.

Generates one-time passwordsWorks offline (airplane mode)Supports Google, Facebook, GitHub, etc.
🔧 Utilities
(173)
free
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
OTP Authenticator
OTP Authenticator
OTP Authenticator
by Swiss SafeLab GmbH
Free
🔧 Utilities
(0)
7
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
🔧 Utilities
(33K)
free
8
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
(35K)
free
9
Authenticator App One
Authenticator App One
Authenticator App One
2FA MFA OTP Code Generator
Free
📊 Productivity
(0)
10
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
(48K)
subscription
11
Authenticator App₊
Authenticator App₊
Authenticator App₊
For 2FA MFA OTP Two ID Verify
Free
🔧 Utilities
(0)
12
G Authenticator App: 2FA & MFA
G Authenticator App: 2FA & MFA
G Authenticator App: 2FA & MFA
by Calify LTD
Free
🔧 Utilities
(0)
13
SITE Authenticator
SITE Authenticator
SITE Authenticator
Time based one-time-password
Free

This app provides two-step verification using time-based one-time passwords for TOTP-supported applications. Securely store and access your verification codes after setting a password to lock your tokens. Developed by Saudi Information Technology company engineers.

Two-step verificationTime-based one-time passwords (TOTP)Password protection for tokens
🔧 Utilities
(0)
free
14
Keyzy : 2fa Authenticator
Keyzy : 2fa Authenticator
Keyzy : 2fa Authenticator
Secure Your Social Accounts
Free
🔧 Utilities
(0)
15
AwareID Authenticator
AwareID Authenticator
AwareID Authenticator
by Aware, Inc
Free
💼 Business
(0)
16
Chill OTP
Chill OTP
Chill OTP
by Anton Rus
Free
🔧 Utilities
(0)
17
Authenticator 2FA TOTP OTP MFA
Authenticator 2FA TOTP OTP MFA
Authenticator 2FA TOTP OTP MFA
Two Factor Authentication Code
Free

Securely store and manage your two-factor authentication codes in one private location. Easily scan QR codes or enter keys to generate time-based one-time passwords for your accounts. Offers advanced features like encrypted backup and organization tools for a streamlined security experience.

Time-based code generationQR code scanning for setupManual key entry
🔧 Utilities
(1)
freemium
18
SOTP Authenticator
SOTP Authenticator
SOTP Authenticator
SOTP Authenticator
Free
🔧 Utilities
(0)
19
Authenticator App - Auth Code
Authenticator App - Auth Code
Authenticator App - Auth Code
Authenticator & Pass Manager
Free

Enhance your online security by generating secure one-time passwords for social media, email, and crypto wallets. This app offers a fast QR code scanner, biometric security, and works offline. It also includes a robust password manager and strong password generator.

Time-based One-Time Passwords (TOTP)Lightning-Fast QR Code ScannerSecure iCloud Backup & Sync (PRO)
🔧 Utilities
(1)
freemium
20
MFASOFT
MFASOFT
MFASOFT
by Zoia Davtian
Free

Enhance your online security with a second layer of verification for account logins. Generate codes directly on your phone, even offline, to protect your sensitive information.

Two-step account verificationOffline code generationQR code setup
🔧 Utilities
(0)
free

FAQ about Otp Authenticator

What are the best otp authenticator apps for iPhone?
OTP Auth tops our otp authenticator apps ranking as of August 2026, with a 4.6-star average from 463 App Store ratings, and it's free to download.
Yes — 20 of the top otp authenticator apps we rank are free to download, including OTP Auth and Google Authenticator.
OTP Auth has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ otp authenticator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
OTP Auth adds two-factor authentication (2FA) support to your iPhone and iPad. It helps secure your accounts on services like Dropbox, Facebook, GitHub, and Google Mail by generating time-based one-time passwords (TOTP).
Key features include ad-free operation, encrypted iCloud sync for data backup, Siri and Apple Watch support, a Notification Center widget, a Safari extension for password pasting, secure app access with Face ID/Touch ID, and the ability to create encrypted backups and import/export accounts.

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