Coin ID positions itself as an accessible entry point into numismatics, leveraging artificial intelligence to simplify coin identification through smartphone photography. The iOS application developed by AIBY promises to transform coin collecting from a specialized hobby into an approachable activity for general users through its visual recognition capabilities. The core functionality revolves around dual-image capture, requiring users to photograph both obverse and reverse sides of coins. The AI engine processes these images against an extensive database, returning identification results within seconds. Beyond basic identification, the app provides comprehensive numismatic data including mint year, country of origin, composition specifications, weight measurements, and estimated market values. The collection management system allows users to build digital catalogs of their holdings with searchable, organized records. User experience demonstrates intuitive design with clear visual cues guiding the photography process. The interface employs minimalistic controls focused on the scanning workflow, making navigation straightforward even for technologically inexperienced users. Real-world usage patterns show the app being employed both for spontaneous identification of loose change and systematic cataloging of existing collections. The scanning process requires adequate lighting and stable handling for optimal recognition accuracy. User feedback reveals polarized experiences with the identification technology. Positive reviews from users like Nicolebmw (2025-07-02) highlight enjoyment in organizing previously neglected coins, while Biggerfever (2025-06-17) appreciates the free scanning and collection features. However, Lebowski67 (2025-08-02) reports significant accuracy issues during comparative testing, noting failure to identify multiple coins correctly. Kiowanations (2025-06-12) and biscuits and potatoe salad (2025-07-27) praise the valuation information and data accuracy respectively, indicating variability in performance across different coin types and conditions. The application demonstrates strongest utility for casual users seeking to identify common circulation coins and organize personal collections. The free access model and straightforward interface make it particularly suitable for beginners. However, professional numismatists may find the identification accuracy inconsistent for rare or damaged specimens. Optimal results appear dependent on image quality and coin condition, with well-preserved, clearly minted coins yielding the most reliable identifications. The app serves best as an introductory tool rather than professional-grade identification system.