Shelfscan APK

ShelfScan A powerful Android app for scanning ISBN barcodes in bulk using your device camera, looking up book information from 16+ online databases, and managing your personal library offline. Features Barcode Scanning Real-time camera-based ISBN barcode scanning using ZXing-cpp (C++ NDK) Supports EAN-13 barcode format (ISBN-13) Multi-pass scanning for reliable detection Manual ISBN entry as fallback Bulk scanning: queue multiple ISBNs before lookup Book Lookup **16 data sources** queried automatically in sequence Background lookup with progress tracking ISBN-10 to ISBN-13 conversion ISBN prefix validation (978/979) Offline detection: creates placeholder entries when no network Library Management **SQLite database** for persistent local storage **Book editing**: modify title, author, publisher, description, language, pages, date, type **Quantity tracking**: track multiple copies of the same book **Star ratings**: rate books 1-5 stars with tap-to-rate UI **Lending management**: track who borrowed books, with return dates **Search**: filter books by title, author, ISBN, or category **Cover thumbnails**: automatic book cover download and display in list view **Cover management**: add/remove cover images manually Data Export & Import **JSON export**: backup your entire library with timestamps **JSON import**: restore from backup or merge libraries Includes all book metadata…