I need a sleek, fully functional mobile application that lets users browse and purchase books directly from their phones. The app has to launch on both iOS and Android from day one, so a shared code-base framework such as React Native or Flutter makes sense—though I’m open to another proven solution if it ships reliably to both stores. Core flow: • Home screen that highlights featured titles, genres, and special offers • Search and filter with ISBN, author, genre, or keyword • Product pages displaying cover art, synopsis, price, and real-time stock • Secure checkout integrating Apple Pay, Google Pay, and major cards • Order history with download links for e-books or shipment tracking for print • Admin access (web or in-app) to upload new titles, manage inventory, and push promo banners Key expectations • Native-feeling UI that meets current iOS Human Interface and Android Material guidelines • Smooth performance even on mid-range devices • Clean, maintainable code with clear documentation • End-to-end testing, plus guidance through App Store and Play Store submission Deliverable is source code, compiled binaries ready for upload, and a brief hand-off guide so my in-house team can manage future updates. If you have a live portfolio of commercial apps—especially e-commerce—share the links so I can gauge UX quality and checkout stability.