1. Home
  2. Topics
  3. Cuny Authenticator

Best Cuny Authenticator Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated October 2026

The best cuny authenticator apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Cuny Authenticator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (718K)NoNoOct 2026
2TOTP Authenticator – Fast 2FATOTP Authenticator – Fast 2FAFree4.7★ (3.9K)NoYesOct 2026
3Duo MobileDuo MobileFree4.9★ (2.3M)NoNoOct 2026
42FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (36K)NoNoOct 2026
5RSA Authenticator (SecurID)RSA Authenticator (SecurID)Free2.7★ (335)NoNoOct 2026
6Salesforce AuthenticatorSalesforce AuthenticatorFree4.6★ (4.3K)NoNoOct 2026
7IDMe AuthenticatorIDMe AuthenticatorFree4.3★ (100K)NoNoOct 2026
8Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (34K)NoNoOct 2026

Top Picks for Cuny Authenticator

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(718K ratings)
Free
#6in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
Microsoft Authenticator screenshot 4
Microsoft Authenticator screenshot 5
Microsoft Authenticator screenshot 6

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.

What We Love

  • 🚀 Seamless authentication
  • 🔒 Secure login process
  • 👍 Convenient passwordless sign-in
  • 🚀 Smooth app performance

Room to Improve

  • 🐛 Broken Apple Watch functionality
  • 🐛 Backup and restore issues
  • 🐛 Confusing login flow
  • 🐛 Accounts disappearing after phone change
TOTP Authenticator – Fast 2FA#2

TOTP Authenticator – Fast 2FA by AppyFactor

Simple 2FA with Cloud Sync
Strong Contender
🔧 Utilities
4.7😞(3.9K ratings)
FreeIn-App Purchases
TOTP Authenticator – Fast 2FA screenshot 1
TOTP Authenticator – Fast 2FA screenshot 2
TOTP Authenticator – Fast 2FA screenshot 3
TOTP Authenticator – Fast 2FA screenshot 4
TOTP Authenticator – Fast 2FA screenshot 5
TOTP Authenticator – Fast 2FA screenshot 6

Enhance your online security with this app that generates one-time tokens for two-factor authentication. Protect your accounts from hackers by easily adding 2FA to your online services. Supports cloud sync and a Chrome extension for seamless desktop integration.

What We Love

  • 👍 Solid free basic experience
  • 🚀 Simple and effective
  • 👍 Easy to use and set up new accounts
  • 🚀 Chrome extension is cool
  • 🔒 Excellent app for 2FA

Room to Improve

  • 🐛 No export functionality
  • 🐛 Impossible to recover account without paying
  • 🐛 Can't save Authy keys from sites
  • 🐛 Codes expire too fast
  • 🐛 Doesn't work with some services
  • 🐛 Codes not working, invalid or expired
  • 🐛 Doesn't sync to Chrome extension
  • 🐛 No instructions or support
  • 🐛 Sync issues, lost codes
  • 🐛 Doesn't offer encryption for iCloud backup
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.3M ratings)
Free
#16in Business
Duo Mobile screenshot 1
Duo Mobile screenshot 2
Duo Mobile screenshot 3
Duo Mobile screenshot 4

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.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
  • 🐛 Confusing and non-intuitive user interface
  • 🐛 Forced use of the app causing inconvenience
  • 🐛 Inability to remove or deactivate the app

More Cuny Authenticator apps to explore

FAQ about Cuny Authenticator

What are the best cuny authenticator apps for iPhone?
Microsoft Authenticator tops our cuny authenticator apps ranking as of October 2026, with a 4.7-star average from 718K App Store ratings, and it's free to download.
Yes — 20 of the top cuny authenticator apps we rank are free to download, including Microsoft Authenticator and TOTP Authenticator – Fast 2FA.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ cuny authenticator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.