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Best Otp Auth Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Out of 250+ otp auth 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.

Compare top Otp Auth Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OTP AuthOTP AuthFree4.6โ˜… (463)NoYesJul 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9โ˜… (1.2M)NoNoAug 2026
3OTP-AuthOTP-AuthFree3.6โ˜… (18)NoYesJul 2026
42FA Authenticator: OTP Auth2FA Authenticator: OTP AuthFreeโ€”NoYesJul 2026
5TOTP Authenticator - 2FA OTPTOTP Authenticator - 2FA OTPFreeโ€”NoNoMay 2026
62FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7โ˜… (35K)NoNoAug 2026
7Two Factor Authenticator & OTPTwo Factor Authenticator & OTPFree4.5โ˜… (133)NoYesAug 2026
8Authenticator App - 2FA TotpAuthenticator App - 2FA TotpFree4.5โ˜… (24)NoYesAug 2026

Top Picks for Otp Auth

OTP Auth#1

OTP Auth by Roland Moers

2-Factor Auth for Pros
Editor's Choice
๐Ÿ”ง Utilities
4.6๐Ÿ˜Š(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

  • ๐Ÿš€ Simple and effective
  • ๐Ÿ”’ Secure with backup/restore
  • ๐Ÿ‘ Great Apple Watch support
  • ๐Ÿ‘ Intuitive and user-friendly

Room to Improve

  • ๐Ÿ› Occasional sync and widget issues
  • ๐Ÿ› Apple Watch app needs improvements
  • ๐Ÿ› Unreliable backup/restore for some users
Google Authenticator#2

Google Authenticator by Google

Strong Contender
๐Ÿ”ง Utilities
4.9๐Ÿ˜ž(1.2M ratings)
Free
#4in 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
OTP-Auth#3

OTP-Auth by ๆตฉ ็Ž‹

Secure 2FA Code Generator
Worth Considering
๐Ÿ”ง Utilities
3.6(18 ratings)
FreeIn-App Purchases
OTP-Auth screenshot 1
OTP-Auth screenshot 2
OTP-Auth screenshot 3
OTP-Auth screenshot 4

This app generates secure one-time passwords for two-factor authentication on your device. It supports various protocols, allows easy account setup via QR codes or manual entry, and offers robust security features like biometric locks and encrypted backups.

More Otp Auth apps to explore

4
2FA Authenticator: OTP Auth
2FA Authenticator: OTP Auth
2FA Authenticator: OTP Auth
Two-Factor 2FA, MFA & OTP
Free
๐Ÿ”ง Utilities
(0)
5
TOTP Authenticator - 2FA OTP
TOTP Authenticator - 2FA OTP
TOTP Authenticator - 2FA OTP
by Keita Iwasaki
Free
๐Ÿ”ง Utilities
(0)
6
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
๐Ÿ“Š Productivity
(35K)
free
7
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Simple 2FA authentication app
Free

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

Two-Factor Authentication (2FA)Multi-Factor Authentication (MFA)TOTP and HOTP Support
๐Ÿ”ง Utilities
(133)
subscription
8
Authenticator App - 2FA Totp
Authenticator App - 2FA Totp
Authenticator App - 2FA Totp
MFA Authentication 2 Factor
Free

This app generates secure one-time passwords for your online accounts, offering an extra layer of protection for email, social media, banking, and work platforms. It supports TOTP and HOTP standards, allows easy account setup via QR code or manual entry, and ensures your data stays private and encrypted on your device.

TOTP & HOTP code generationQR code scanning for setupSecure on-device storage
๐Ÿ”ง Utilities
(24)
freemium
9
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Mobile 2FA for your Security
Free

This app provides secure storage and management of two-factor authentication codes directly on your device. It offers end-to-end encryption for all data, including cloud backups, ensuring your online accounts are protected without needing an internet connection.

Secure 2FA code storageEnd-to-end encryptionEncrypted cloud backups
๐Ÿ“ฐ Magazines & Newspapers
(45)
subscription
10
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.
๐Ÿ”ง Utilities
(173)
free
11
2FA Authenticator: MFA RSA
2FA Authenticator: MFA RSA
2FA Authenticator: MFA RSA
Verification & Authentication
Free

Enhance your digital security with a robust two-factor authentication solution. Protect sensitive data from unauthorized access with end-to-end encryption and unlimited account management. Sync securely with iCloud for easy access and peace of mind.

Two-factor authenticationEnd-to-end encryptionUnlimited account management
๐Ÿ”ง Utilities
(25)
free with in-app purchases
12
Authenticator: AuthSnap
Authenticator: AuthSnap
Authenticator: AuthSnap
Fast. Safe. Verified.
Free

This app simplifies online security by generating one-time passcodes for two-factor authentication. It supports both time-based and counter-based algorithms and offers easy setup via QR code scanning.

QR code scanning for setupTOTP and HOTP supportUser-friendly interface
๐Ÿ”ง Utilities
(11)
freemium
13
AuthGuard โ€“ 2FA & OTP Codes
AuthGuard โ€“ 2FA & OTP Codes
AuthGuard โ€“ 2FA & OTP Codes
OTP Codes & Encrypted Backup
Free

This app provides secure two-factor authentication (2FA) by generating time-based verification codes offline. It offers features like encrypted backups, iCloud sync, and Apple Watch integration for convenient account access and management.

Secure two-factor authenticationOffline OTP/TOTP code generationEncrypted backup and restore
๐Ÿ”ง Utilities
(1)
free with in-app purchases
14
MFA-2FA Authenticator,OTP,Auth
MFA-2FA Authenticator,OTP,Auth
MFA-2FA Authenticator,OTP,Auth
Authentication-Secure ID,TOTP
Free

Enhance your digital security with a comprehensive suite of tools. Features include a password manager, private browser, and multi-factor authentication authenticator for secure online access.

Password Manager with Touch ID/Face IDPrivate Browser with no trace browsingMFA Authenticator with TOTP and push notifications
๐Ÿ” Reference
(2)
free with in-app purchases
15
Auth0 Guardian
Auth0 Guardian
Auth0 Guardian
Multi Factor Authenticator
Free

This app provides multi-factor authentication by sending push notifications to your device for easy approval or denial of account access. It can also generate one-time passwords for secure logins.

Push notification authenticationAllow/deny account accessOne-time password generation
๐Ÿ”ง Utilities
(113)
free
16
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
๐Ÿ’ผ Business
(2.2M)
free
17
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
๐Ÿ”ง Utilities
(1)
free with in-app purchases
18
AuthMatrix: OTP & Vault
AuthMatrix: OTP & Vault
AuthMatrix: OTP & Vault
2FA, Passwords & Security
Free
๐Ÿ”ง Utilities
(0)
19
2FA Authenticator-MFA,OTP,Auth
2FA Authenticator-MFA,OTP,Auth
2FA Authenticator-MFA,OTP,Auth
Two Factor Authentication Aั€ั€
Free

This app provides robust digital security for your online accounts using end-to-end encryption. It simplifies adding accounts, securely backs up and syncs your data, and offers offline password generation. Manage all your passwords and generate strong ones with ease.

Effortless account addition via QR codeSecure data backup and cross-device syncOffline one-time password generation
๐Ÿ“Š Productivity
(3)
freemium
20
Authenticator App- MFA,2FA,OTP
Authenticator App- MFA,2FA,OTP
Authenticator App- MFA,2FA,OTP
Authentication- Secure ID,2FAS
Free

Securely store and generate two-factor authentication tokens for all your online accounts. Offers bank-grade encryption, biometric unlock, and seamless device syncing for robust digital security.

Bank-grade encryptionSecure 2FA and MFA tokensEffortless setup via QR code or manual entry
๐Ÿ’ผ Business
(46)
free with in-app purchases

FAQ about Otp Auth

What are the best otp auth apps for iPhone?
OTP Auth tops our otp auth apps ranking as of August 2026, with a 4.6-star average from 463 App Store ratings, and it's free to download.
Yes โ€” 20 of the top otp auth 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 auth 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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