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Best 2 Fas Auth Apps

248+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our 2 fas auth list covers 248+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top 2 Fas Auth Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (36K)NoNoNov 2026
2Authenticator: MFA Auth & TOTPAuthenticator: MFA Auth & TOTPFree5.0★ (3)NoYesOct 2026
32FAS Authenticator App2FAS Authenticator AppFree1.0★ (2)NoYesOct 2026
4Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoNov 2026
5Duo MobileDuo MobileFree4.9★ (2.3M)NoNoNov 2026
6Authenticator App - 2fas AuthAuthenticator App - 2fas AuthFree4.6★ (144)NoYesOct 2026
7Authenticator App 2Authenticator App 2Free——NoMay 2026
8Authenticator: Secure 2FA AppAuthenticator: Secure 2FA AppFree4.3★ (32)YesYesOct 2026

Top Picks for 2 Fas Auth

2FA Authenticator (2FAS)#1

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

#1 Rated 2FA Authenticator
Editor's Choice
📊 Productivity
4.7😊(36K 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

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.

What We Love

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

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Lack of password/PIN protection
  • 🕰 No Apple Watch app
  • 🐛 Issues with push notifications
  • 🕰 Missing desktop/web app
Authenticator: MFA Auth & TOTP#2

Authenticator: MFA Auth & TOTP by Ditlev Carlsen

2 Step Authentication: 2FA OTP
Strong Contender
🔧 Utilities
5.0(3 ratings)
FreeIn-App Purchases
Authenticator: MFA Auth & TOTP screenshot 1
Authenticator: MFA Auth & TOTP screenshot 2
Authenticator: MFA Auth & TOTP screenshot 3
Authenticator: MFA Auth & TOTP screenshot 4

This app generates one-time passwords (OTPs) to add an extra layer of security to your online accounts. It supports time-based OTPs for various popular services and offers quick setup via QR code scanning. Designed for privacy and security, it helps protect your data from unauthorized access.

More 2 Fas Auth apps to explore

FAQ about 2 Fas Auth

What are the best 2 fas auth apps for iPhone?
2FA Authenticator (2FAS) tops our 2 fas auth apps ranking as of October 2026, with a 4.7-star average from 36K App Store ratings, and it's free to download.
Yes — 20 of the top 2 fas auth apps we rank are free to download, including 2FA Authenticator (2FAS) and Authenticator: MFA Auth & TOTP.
2FA Authenticator (2FAS) has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ 2 fas auth apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.