Best Banknote Security App

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Out of 250+ banknote security app on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Banknote Security App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duo MobileDuo MobileFree4.9β˜… (2.3M)NoNoOct 2026
2NoteID:Banknote IdentifierNoteID:Banknote IdentifierFree4.8β˜… (11)NoYesOct 2026
3Banknote - Identify bank notesBanknote - Identify bank notesFree3.9β˜… (7)NoYesJul 2026
4SECUSECUFree4.9β˜… (276K)NoNoOct 2026
5Security Federal Bank AppSecurity Federal Bank AppFree4.8β˜… (2.8K)NoNoOct 2026
6Banknote ID: Note IdentifierBanknote ID: Note IdentifierFree4.4β˜… (206)YesYesOct 2026
7Banknote Identifier Money SnapBanknote Identifier Money SnapFree3.5β˜… (63)YesYesOct 2026
8First Security BankFirst Security BankFree4.8β˜… (13K)NoNoOct 2026

Top Picks for Banknote Security App

Duo Mobile#1

Duo Mobile by Duo Security LLC

Security made simple
Editor's Choice
πŸ’Ό Business
4.9😐(2.3M ratings)
Free
#18in 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

  • 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

More Banknote Security App apps to explore

FAQ about Banknote Security App

What is the best banknote security app for iPhone?
Duo Mobile tops our banknote security app ranking as of September 2026, with a 4.9-star average from 2.3M App Store ratings, and it's free to download.
Yes β€” 20 of the top banknote security app we rank are free to download, including Duo Mobile and NoteID:Banknote Identifier.
Duo Mobile has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ banknote security app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.