Best Erealsign Authenticator Apps

246+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated November 2026

eRealSign Authenticator is the household name in erealsign authenticator, but it's far from the only option. We track 246+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Erealsign Authenticator Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1eRealSign AuthenticatoreRealSign AuthenticatorFreeβ€”NoNoMay 2026
2Duo MobileDuo MobileFree4.9β˜… (2.4M)NoNoNov 2026
3IDMe AuthenticatorIDMe AuthenticatorFree4.3β˜… (100K)NoNoNov 2026
4BAuthenticatorBAuthenticatorFree2.4β˜… (43)NoNoOct 2026
5Simeio AuthenticatorSimeio AuthenticatorFreeβ€”NoNoMay 2026
6Authenticator: AppΒ·Authenticator: AppΒ·Free4.2β˜… (12)NoYesNov 2026
7FIS AuthenticatorFIS AuthenticatorFree4.2β˜… (237)NoNoOct 2026
8Salesforce AuthenticatorSalesforce AuthenticatorFree4.6β˜… (4.3K)NoNoNov 2026

Top Picks for Erealsign Authenticator

Duo Mobile#2

Duo Mobile by Duo Security LLC

Security made simple
Strong Contender
πŸ’Ό Business
4.9😐(2.4M ratings)
Free
#15in Business
Duo Mobile screenshot 1
Duo Mobile screenshot 2
Duo Mobile screenshot 3
Duo Mobile screenshot 4

Enhance your online security with two-factor authentication. This app generates passcodes and allows one-tap push notifications for secure logins across various services. Manage authentication for multiple applications and websites easily.

What We Love

  • πŸ‘ Simple and easy to use
  • πŸ”’ Provides an extra layer of security
  • πŸš€ Quick and convenient authentication
  • πŸ”’ Secure login experience
  • πŸ‘ Straightforward and user-friendly
  • πŸ‘ Easy to set up and use

Room to Improve

  • πŸ› Unreliable notifications and push functionality
  • πŸ› Compatibility issues when changing devices
  • πŸ› Slow and frustrating authentication process
  • πŸ› Confusing and non-intuitive user interface
  • πŸ› Forced use of the app causing inconvenience
  • πŸ› Inability to remove or deactivate the app
4.3😞(100K ratings)
Free
#43in Productivity
IDMe Authenticator screenshot 1
IDMe Authenticator screenshot 2
IDMe Authenticator screenshot 3
IDMe Authenticator screenshot 4
IDMe Authenticator screenshot 5

This app provides a free multi-factor authentication solution for your account, adding an extra layer of security. It generates verification tokens like time-based one-time passwords or push notifications to confirm your identity during login.

What We Love

  • πŸš€ Easy to use
  • πŸ’‘ Comprehensive identity verification
  • πŸ‘ Clean and straightforward interface

Room to Improve

  • πŸ› Frequent technical issues
  • πŸ•°οΈ Slow and unresponsive support
  • 🀯 Confusing and frustrating workflow
  • πŸ”’ Privacy and security concerns
  • πŸ™β€β™€οΈ Poor user experience for non-tech-savvy individuals

More Erealsign Authenticator apps to explore

FAQ about Erealsign Authenticator

Are there free erealsign authenticator apps for iPhone?
Yes β€” 20 of the top erealsign authenticator apps we rank are free to download, including eRealSign Authenticator and Duo Mobile.
eRealSign Authenticator has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 246+ erealsign authenticator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.