Best 2Fas Authenticator App

237+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

If you already know 2FA Authenticator (2FAS), this is the deeper bench. 237+ 2fas authenticator app apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for 2Fas Authenticator App

2FA Authenticator (2FAS)#1

2FA Authenticator (2FAS) by Two Factor Authentication Service, Inc.

#1 Rated 2FA Authenticator
Editor's Choice
📊 Productivity
4.7😊(34K ratings)
Free
2FA Authenticator (2FAS) screenshot 1
2FA Authenticator (2FAS) screenshot 2
2FA Authenticator (2FAS) screenshot 3
2FA Authenticator (2FAS) screenshot 4
2FA Authenticator (2FAS) screenshot 5
2FA Authenticator (2FAS) screenshot 6

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

What We Love

  • 🚀 Efficient and fast
  • 🔒 Secure and private
  • 👍 Simple and intuitive UI
  • 💡 Customizable icons and folders

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Lack of password/PIN protection
  • 🕰 No Apple Watch app
Google Authenticator#2

Google Authenticator by Google LLC

Strong Contender
🔧 Utilities
4.9😞(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

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
Authenticator App-2FAS・MFA・OTP#3

Authenticator App-2FAS・MFA・OTP by FLOOMIX LTD

Two Factor Authentication・TOTP
Worth Considering
🔧 Utilities
4.6(400 ratings)
FreeAdsIn-App Purchases
Authenticator App-2FAS・MFA・OTP screenshot 1
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Get secure two-factor authentication and safeguard your online accounts with our app, which provides effortless setup, biometric authentication, and cloud backups for your time-based one-time passcodes. Download and secure your digital life today!

More 2Fas Authenticator App apps to explore

4
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)
5
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure all your online accounts with our Authenticator App. Easily scan, generate, and save 2FA codes for enhanced security. Download now for peace of mind online!

📊 Productivity
(12K)
6
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)
7
Authenticator App
Authenticator App
Authenticator App
2FA Authentication MFA & OTP
Free

Protect your accounts with an advanced authentication app offering both Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA) features. Secure your online presence now.

📊 Productivity
(46K)
8
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

"Duo Mobile simplifies security by generating passcodes for two-factor authentication and providing easy, one-tap login authentication through push notifications on iOS devices. It also manages two-factor authentication for various other services and applications. Activate and link the app to your Duo account to start using its features."

💼 Business
(2.1M)
9
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)
10
TOTP Authenticator – Fast 2FA
TOTP Authenticator – Fast 2FA
TOTP Authenticator – Fast 2FA
Simple 2FA with Cloud Sync
Free

Experience simple and secure two-factor authentication with our app. Protect your online accounts easily with one-time tokens generated on your device. Explore features like cloud sync, multi-platform support, and extensive account compatibility to enhance your online security.

🔧 Utilities
(3.8K)
11
Authenticator App - Fast 2FA
Authenticator App - Fast 2FA
Authenticator App - Fast 2FA
Two Factor Authentication
Free

A highly recommended 2FA authentication app for securing multiple accounts across various platforms with top features such as offline verification codes. Protect your accounts with two-factor authentication now.

📊 Productivity
(368)
12
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
2FA, Two Factor Authentication
Free
🔧 Utilities
(287)
13
Authenticator App · 2FA
Authenticator App · 2FA
Authenticator App · 2FA
2FA: Two Factor Authentication
Free

An ultra-secure 2FA app for safeguarding online accounts with TOTP generation and account synchronization across devices. Protect your accounts and streamline 2FA codes management with ease.

🔧 Utilities
(343)
14
Authenticator App : 2FA & MFA
Authenticator App : 2FA & MFA
Authenticator App : 2FA & MFA
Protect Your Online Identity
Free

This application provides an extra layer of security for your accounts by enabling two-factor authentication (2FA). Protect your sensitive information with this easy-to-use tool.

📊 Productivity
(656)
15
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Two Factor Authentication, OTP
Free

Protect your accounts with our free authenticator app that offers 2FA security for various platforms. With support for over 1000 apps, including Apple Watch compatibility, ensure your accounts are secure.

🔧 Utilities
(4.9K)
16
Authenticator ® App
Authenticator ® App
Authenticator ® App
Two Factor Authentication Aрр
Free

Enhance your online security with our all-in-one mobile Authenticator App for 2FA and MFA authentication. Simply scan a QR code to secure your accounts with time-sensitive codes, cloud backups, privacy features, and more. Download today for peace of mind in the digital world!

📊 Productivity
(3K)
17
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)
18
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)
19
Authenticator App†
Authenticator App†
Authenticator App†
2FA Authentication MFA OTP
Free

This application provides secure two-factor authentication for enhanced account protection. Easily set up and manage verification codes for your accounts with this powerful tool. Download now for enhanced security!

🔧 Utilities
(1.8K)
20
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
2 Factor Auth: OTP & Verify
Free

Protect your online identity with this easy-to-use 2FA app, which secures your personal data and passwords with simple, private, and secure two-factor authentication across all your accounts. Download now and take control of your online security with seamless sync, intuitive interface, and helpful customer support.

🔧 Utilities
(29)