MOB-App (Mobile Operated Point of Sale)

A mobile-first, offline-capable Point of Sale app for small vendors, built with React Native (Expo). Streamline billing, inventory, and sales tracking—no internet required.

🚀 Key Features

• 📍 Offline-First: Works without internet (AsyncStorage).
• 🏷️ Barcode Scanning: Quick product lookup.
• 📦 Real-Time Inventory: Track stock levels and alerts.
• 📊 Sales Reports: Daily/weekly/monthly analytics.
• 🔒 Secure: AES-256 encryption for transactions.
• 📊 Sales Analytics with PDF export
• 🌓 Theme Support (light/dark mode)
• 🔊 Audible Scan Feedback

📱 App Screenshots

⚙️ Technical Stack

• Frontend: React Native (Expo)
• State Management: Context API
• Storage: AsyncStorage (offline)
• Barcode Scanning: react-native-camera
• Charts: react-native-svg-charts

📂 Project Structure

├── assets/            # Images/fonts
├── components/        # Reusable UI (buttons, cards)
├── screens/           # App screens (Billing, Inventory)
├── utils/             # Helpers (barcode, encryption)
├── App.js             # Main entry point
└── README.md          # You're here!

📝 Testing

• Unit Tests: Jest (npm test)
• E2E Tests: Detox
• Test Coverage: 98% core modules

📈 Future Roadmap

• Multi-user support
• Cloud sync (Firebase)
• iOS compatibility
• Voice command integration

📜 License

MIT © Arpan Patra