NoteSnap: Banknote Identifier represents a specialized tool for numismatists, leveraging artificial intelligence to streamline currency identification and cataloging. Developed by Next Vision Limited for iOS devices, the application occupies a niche position in the collector's toolkit market, distinguishing itself through machine learning-based image recognition rather than manual database searching. The core functionality revolves around two input methods: real-time camera capture or gallery image upload. Upon receiving an image, the application's algorithms analyze visual elements including security features, portraits, and denominational markers before cross-referencing against an extensive database of global currencies. Successful identifications yield detailed metadata including country of origin, issue date, denomination, and historical context, while the collection management system allows users to organize finds into customizable categories with searchable tags. User experience demonstrates thoughtful design with a minimalist interface prioritizing the camera function while maintaining accessible navigation to saved collections. The identification process typically completes within 3-5 seconds under optimal lighting conditions, though complex or damaged notes may require multiple attempts. Real-world usage patterns show collectors frequently employing the app during flea market visits, estate sales, and collection audits where rapid identification prevents missed opportunities or valuation errors. User feedback trends indicate strong satisfaction with identification accuracy, though database limitations occasionally surface. Reviewer Diane Styron (2025-08-04) noted 'now I know exactly how much my old money is worth,' reflecting the app's valuation utility, while Rizzytoilet (2025-02-15) observed missing Chinese banknotes, highlighting gaps in coverage. Multiple reviewers including Orwellian Wilde (2025-02-12) expressed desire for community features, suggesting social functionality as a potential development area. The application excels in rapid identification and organized cataloging for mainstream currencies, particularly modern issues from economically significant nations. Limitations include occasional recognition failures with obscured, damaged, or exceptionally rare notes, and database gaps for historical or politically sensitive issues. NoteSnap proves most valuable for intermediate collectors building diversified portfolios rather than specialists seeking obscure or experimental currencies.