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Best Proton Authenticator Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Proton Authenticator is the household name in proton authenticator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Proton Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Proton AuthenticatorProton AuthenticatorFree4.4★ (242)NoNoAug 2026
2Proton Pass - Password ManagerProton Pass - Password ManagerFree4.8★ (7.5K)NoYesAug 2026
3Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
42FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
5Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
6ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoAug 2026
7Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (33K)NoNoAug 2026
8MFA-AuthenticatorMFA-AuthenticatorFree3.8★ (5)NoNoAug 2026

Top Picks for Proton Authenticator

Proton Authenticator#1

Proton Authenticator by Proton AG

Secure 2FA Authenticator
Editor's Choice
📊 Productivity
4.4😊(242 ratings)
Free
Proton Authenticator screenshot 1
Proton Authenticator screenshot 2
Proton Authenticator screenshot 3
Proton Authenticator screenshot 4

Securely manage your two-factor authentication codes with an open-source, end-to-end encrypted authenticator app. It offers seamless cross-device syncing, effortless import from other apps, and robust backup options, all protected by strict Swiss privacy laws. Take control of your digital security with a trusted and private solution.

What We Love

  • 🚀 Cross-platform support
  • 🔒 Secure cloud sync
  • 👍 Easy import from other authenticators
  • 🚀 Convenient 'next' feature for codes

Room to Improve

  • 🐛 Buggy UI (scrolling jitters, random sorting)
  • 👎 Lack of customization options (pin favorites, change icons)
  • 🐛 Sync/login issues on iPad
Proton Pass - Password Manager#2

Proton Pass - Password Manager by Proton AG

Secure end-to-end encryption
Strong Contender
📊 Productivity
4.8😐(7.5K ratings)
FreeIn-App Purchases
Proton Pass - Password Manager screenshot 1
Proton Pass - Password Manager screenshot 2
Proton Pass - Password Manager screenshot 3
Proton Pass - Password Manager screenshot 4
Proton Pass - Password Manager screenshot 5
Proton Pass - Password Manager screenshot 6

Securely manage your online credentials with end-to-end encryption. This free password manager offers autofill, 2FA code generation, email alias creation, and data breach monitoring across all your devices. Protect your digital identity with robust Swiss privacy laws.

What We Love

  • 🚀 Decent password manager
  • 🔒 Secure and encrypted
  • 👍 Integrated email alias feature
  • 👍 Competitive pricing

Room to Improve

  • 🐛 Autofill issues
  • 🐛 Logging out issues
  • 🐛 Buggy and unreliable
Google Authenticator#3

Google Authenticator by Google

Worth Considering
🔧 Utilities
4.9😞(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

  • 👍 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 Proton Authenticator apps to explore

4
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
5
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
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
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
MFA-Authenticator
MFA-Authenticator
MFA-Authenticator
miniOrange
Free

This app provides secure second-factor authentication for registered users. It supports push notifications, mobile authentication via QR codes, and soft tokens for login validation.

Push notification authenticationQR code mobile authenticationSoft token generation
💼 Business
(5)
free
9
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
10
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
OTP Authenticator, MFA & 2FA
Free
🔧 Utilities
(0)
11
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
12
Ente Auth - 2FA Authenticator
Ente Auth - 2FA Authenticator
Ente Auth - 2FA Authenticator
Secure sync across devices
Free

This app generates and securely stores two-step verification (2FA) tokens. It offers end-to-end encrypted cloud backups and seamless multi-device synchronization, ensuring your tokens are accessible across all your devices. Access your tokens via a web interface or generate them offline.

End-to-end encrypted cloud backupsMulti-device synchronizationWeb access to tokens
🔧 Utilities
(284)
free
13
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
14
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
by OneSpan International GmbH
Free

Securely log in to your accounts with a user-friendly interface. Choose your preferred authentication method, including PIN, push notifications, or biometrics. Activate instantly and authenticate with confidence thanks to advanced mobile app shielding.

Intuitive designPIN, push, or biometric authenticationInstant and secure activation
💰 Finance
(1.4K)
free
15
TrustBuilder Authenticator
TrustBuilder Authenticator
TrustBuilder Authenticator
by In-Webo Technologies
Free

Generate secure one-time passwords (OTPs) for enhanced account security. Supports push notifications for quick approvals and an offline mode for access without an internet connection.

One-Time Password (OTP) generationPush notification supportOffline mode
🔧 Utilities
(5)
free
16
Tofu Authenticator
Tofu Authenticator
Tofu Authenticator
Two-factor Authentication
Free

This open-source app generates one-time passwords for two-factor authentication, enhancing online account security. It supports various services and algorithms, working offline for convenient access.

Generates one-time passwordsSupports HOTP and TOTP algorithmsWorks offline and in airplane mode
🔧 Utilities
(99)
free
17
2FA Authenticator Secure
2FA Authenticator Secure
2FA Authenticator Secure
MFA Authenticator
Free

Enhance your online security with this free and private two-factor authentication app. It adds an extra layer of protection to your accounts using unique time-based passwords and offers a secure vault for your files. Synchronization ensures your security is consistent across all your devices.

Secure and private authenticationSynchronization across devicesSupports all online accounts
📊 Productivity
(172)
free
18
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
19
Gate Authenticator
Gate Authenticator
Gate Authenticator
by Gate Technology Incorporated
Free

Enhance your account security with this authenticator app. It generates time-based codes for secure logins, withdrawals, and security changes, even offline. Supports multiple accounts and easy setup via QR code.

Account automatic setup via QR codeSupport multi-accountsTime-based code generation
🔧 Utilities
(5)
free
20
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

FAQ about Proton Authenticator

What are the best proton authenticator apps for iPhone?
Proton Authenticator tops our proton authenticator apps ranking as of August 2026, with a 4.4-star average from 242 App Store ratings, and it's free to download.
Yes — 20 of the top proton authenticator apps we rank are free to download, including Proton Authenticator and Proton Pass - Password Manager.
Proton Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ proton authenticator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Proton Authenticator is an app designed to securely store and generate your two-factor authentication (2FA) codes. It helps protect your online accounts by requiring a second verification step beyond just your password, ensuring enhanced security.
Key features include end-to-end encrypted iCloud sync for seamless cross-device access, effortless import from other authenticator apps like Google Authenticator, secure backup and export options, and a strong commitment to Swiss privacy laws. It is also open source and ad-free.