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Best Protonmail Authenticator Apps

231+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

The best protonmail authenticator apps on iPhone average 4.4★ across 231+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Protonmail Authenticator

Proton Authenticator#1

Proton Authenticator by Proton AG

Secure 2FA Authenticator
Editor's Choice
📊 Productivity
4.3😊(199 ratings)
Free
Proton Authenticator screenshot 1
Proton Authenticator screenshot 2
Proton Authenticator screenshot 3
Proton Authenticator screenshot 4
Proton Authenticator screenshot 5

Get the trusted authenticator app that keeps your 2FA codes secure, accessible, and private with end-to-end encryption and strict Swiss privacy laws. Download now and take control of your digital security today.

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 Mail - Encrypted Email#2

Proton Mail - Encrypted Email by Proton AG

Fast, private & secure mail
Strong Contender
📊 Productivity
4.7😊(44K ratings)
FreeIn-App Purchases
#72in Productivity
Proton Mail - Encrypted Email screenshot 1
Proton Mail - Encrypted Email screenshot 2
Proton Mail - Encrypted Email screenshot 3
Proton Mail - Encrypted Email screenshot 4
Proton Mail - Encrypted Email screenshot 5
Proton Mail - Encrypted Email screenshot 6

A secure email platform that prioritizes user privacy and data protection through encryption features. Send and receive private emails with confidence.

What We Love

  • 🚀 Smooth performance
  • 🔒 Excellent security and privacy
  • 👍 Clean and intuitive interface
  • 💡 Expanding ecosystem of Proton services

Room to Improve

  • 🐛 Occasional crashes and bugs
  • ⏱️ Slow email loading times
  • 📝 Lacking advanced email management features
Google Authenticator#3

Google Authenticator by Google LLC

Worth Considering
🔧 Utilities
4.9😞(1M 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

A secure two-step verification app that generates codes for logging into online accounts, adding an extra layer of security beyond passwords. Easily sync codes across devices, set up accounts with QR codes, and manage multiple accounts in one place. To start securing your accounts, enable 2-Step Verification on your Google Account.

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 Protonmail Authenticator apps to explore

4
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free

A secure two-factor authentication app that generates codes for additional account security. Protect your online accounts with an extra layer of verification.

📊 Productivity
(34K)
5
Proton Pass - Password Manager
Proton Pass - Password Manager
Proton Pass - Password Manager
Secure end-to-end encryption
Free

Proton Pass is a secure, open-source password manager developed by CERN scientists. It offers end-to-end encryption, unlimited password storage, autofill logins, and 2FA code generation. Safeguard your online identity with this free and privacy-focused app available on all devices.

📊 Productivity
(485)
6
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides strong authentication through OTP credentials, cloud-based MFA, push notifications, and biometrics for enhanced security. It is suitable for iOS and macOS users looking for a secure and convenient authentication solution. Check the App Store for more information.

💼 Business
(319)
7
Salesforce Authenticator
Salesforce Authenticator
Salesforce Authenticator
by salesforce.com
Free

A mobile app that enhances online account security through multi-factor authentication, using push notifications for quick approval or denial of account activities. It also offers one-time verification codes for offline use and can utilize location services for automatic approvals. Secure your accounts that support time-based one-time passwords with this convenient tool.

💼 Business
(4.1K)
8
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
Free

A free multi-factor authentication app that adds an extra layer of security to your account with time-based one-time passwords, push notifications, and mobile security keys. Easily verify your identity and protect your account from hackers.

📊 Productivity
(100K)
9
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Secure your online accounts with Authenticator 7, an app that stores and generates secure 2FA tokens for added account protection. Safeguard your accounts from hackers with this easy-to-use two-factor authentication solution.

🔧 Utilities
(26K)
10
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
2FA, Two Factor Authentication
Free
🔧 Utilities
(287)
11
Authenticator App ™
Authenticator App ™
Authenticator App ™
Two Factor Authentication
Free

Secure your online accounts with an advanced two-factor authentication app that generates time-based codes for enhanced security when logging in. Compatible with over 2,500 websites, streamline your multi-factor authentication setup by scanning QR codes.

🔧 Utilities
(21K)
12
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

"Enhance your online security with a simple, free, and open-source two-factor authentication app. Easily generate unique one-time passwords for your accounts using secure encryption methods, offline capabilities, and support for various password formats. Protect your accounts now!"

🔧 Utilities
(407)
13
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Secure Passwords with 2FA, MFA
Free

Secure your accounts effortlessly with the ultimate Authenticator app for Two-Factor Authentication and Multi-Factor Authentication. With quick setup, cloud backup, and integrated Password Manager, ensure robust security across all your devices. Download now to authenticate with confidence and safeguard your digital life.

🔧 Utilities
(856)
14
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

A secure app for easy online account sign-ins, offering multi-factor authentication, passwordless login, and password autofill features. Manage Microsoft and non-Microsoft accounts with added security layers like fingerprint, face ID, or PIN. Stay protected and simplify access to various online services.

📊 Productivity
(652K)
15
Authenticator App ＋
Authenticator App ＋
Authenticator App ＋
Authentication App, Copilot
Free

Enhance your online security with an advanced account authentication and password management tool featuring an AI Copilot. Protect your accounts, detect phishing websites, and manage passwords securely and efficiently. Get started now to safeguard your privacy.

💼 Business
(1.2K)
16
Twilio Authy
Twilio Authy
Twilio Authy
by Authy Inc.
Free

A two-factor authentication app for iPhone and iPad, Authy ensures secure account protection through multi-device synchronization, secure cloud backups, and offline token generation. Protect all major accounts and bitcoins with Authy's trusted security features. Visit the website to enhance your account security today: https://www.authy.com.

🔧 Utilities
(52K)
17
2 factor - Authenticator App
2 factor - Authenticator App
2 factor - Authenticator App
MFA Authenticator
Free

Protect your online accounts with ease using our 2FA Authenticator App. Enhance security by generating unique time passwords for added protection. Secure your accounts and keep your files safe in a vault.

📊 Productivity
(167)
18
Authenticator™ App
Authenticator™ App
Authenticator™ App
Authenticator App
Free

Securely set up your accounts with Authenticator™ App using QR codes for quick and error-free setup. Backup your data with iCloud for added security and convenience. Get started now to simplify your authentication process.

🔧 Utilities
(239)
19
Authenticator App - Authkey
Authenticator App - Authkey
Authenticator App - Authkey
Two factor authentication, 2fa
Free

A comprehensive 2FA app designed to enhance online security by generating unique access codes for account protection, ensuring the safety of personal information. Secure your accounts easily and reliably with our advanced security protocols.

🔧 Utilities
(3.3K)
20
Authenticator
Authenticator
Authenticator
Authentication for Google
Free

Authhy Authenticator is a two-factor authentication app that boosts online account security. Easily set up without login, just scan QR codes to add accounts. Compatible with thousands of websites and services. Download for enhanced security!

📊 Productivity
(325)

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