Quickro POS Flutter App (Offline + Cloud Backup)

Complete Offline Point of Sale System with Sync-Ready Architecture

  Built with Flutter (Latest Version), Quickro POS is a powerful, fast, and scalable point-of-sale solution designed for modern retail businesses. With an offline-first SQLite database, multi-store support, and Google Drive backup, this system ensures reliability even without internet.

  Designed for performance and simplicity, Quickro POS helps you manage sales, inventory, accounting, and customers — all in one app. Perfect for grocery stores, retail shops, pharmacies, and small-to-medium businesses.

✨ Key Features

🚀 Advanced Features

• 
   
• Offline-first architecture (works بدون internet) 
• Sync-ready system (multi-device support ready) 
• Role-based access (Admin, Manager, Cashier) 
• Bluetooth thermal receipt printing 
• Dynamic payment methods system 
• High-performance SQLite queries with indexing

📦 What’s Included

⚙️ Technical Stack

Framework: Flutter
State Management: GetX
Database: SQLite (sqflite)
Backup: Google Drive API
Authentication: Firebase Auth
Architecture: Offline-first + Sync-ready

💼 Use Cases

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• Retail stores 
• Grocery shops 
• Pharmacies 
• Bakeries & cafes 
• Small & medium businesses

🛠️ Support & Customization

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• Support: Fast response via WhatsApp or email 
• Customization: Branding, features, and UI changes available 
• Publishing Support: Play Store & App Store deployment available

📄 License

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• Regular License: Single end product (non-paid users) 
• Extended License: Required for SaaS or paid apps

🚀 Ready to Launch Your POS Business?

  Build, customize, and deploy your own POS system with Quickro POS today.

• Offline-first POS system (works without internet)
• Fast billing with barcode scanning support
• Inventory management with real-time stock updates
• Low stock alerts and product categorization
• Multi-store management (separate data per store)
• Customer and supplier management
• Purchase and stock entry system
• Double-entry accounting (ledger, income, expenses)
• Multiple payment methods (cash, card, custom)
• Sales, expense, and profit reports
• Bluetooth thermal receipt printing
• Google Drive backup and restore
• Secure authentication (Google Sign-In supported)
• Role-based access (Admin, Manager, Cashier)
• High-performance SQLite database with indexing
• Sync-ready architecture for future cloud integration
• Clean UI with fast and responsive performance
• Subscription and in-app purchase ready

Flutter SDK (latest stable 3.38.7 version)

Dart SDK
Android Studio or Visual Studio Code

Android device (Android 8.0 or higher)

iOS device/macOS system for iOS build

Google account (for Firebase Authentication & Drive backup)

Internet connection (only required for login and backup)

1. Download and extract the source code
2. Open the project in Android Studio or VS Code
3. Run flutter pub get to install dependencies
4. Configure Firebase:
   • Add your google-services.json (Android)
   • Add your GoogleService-Info.plist (iOS)
5. Enable Google Sign-In in Firebase Console
6. Set up Google Drive API for backup functionality
7. Run the app using:

   flutter run
   
   
   

8. Build APK:

   flutter build apk
   
   
   

9. Build iOS app (on macOS):

   flutter build ios
   
   
   

Documentation is included for detailed setup and customization.