A mobile application that uses your phone camera to scan, digitize, and organize receipt information.

Created for .devhacks 2025 - A smart solution for expense tracking and receipt management.

Receipt Scanner is a full-stack mobile application that transforms physical receipts into structured digital data. Simply snap a photo of your receipt, and the app automatically extracts and categorizes all relevant information including establishment name, items purchased, prices, and totals.

• 📸 Camera-Based Scanning - Capture receipts instantly using your phone camera
• 🔍 OCR Text Extraction - Powered by Tesseract OCR for accurate text recognition
• 🤖 AI-Powered Parsing - Automatically structures receipt data (items, prices, dates, etc.)
• 🏷️ Smart Categorization - Receipts are automatically categorized (dining, shopping, etc.)
• 🔊 Text-to-Speech - Listen to receipt details with audio playback
• 💾 Data Storage - Save and organize your receipts digitally

• React Native with Expo
• Mobile-first design for iOS and Android
• Camera integration for receipt capture

• Go with Fiber v3 web framework
• Tesseract OCR for text extraction
• Text-to-Speech capabilities
• RESTful API architecture

• Node.js and npm
• Go 1.x or later
• Tesseract OCR installed locally
• Expo CLI (for mobile development)

git clone https://github.com/Jared-Rost/Receipt-Scanner.git
cd Receipt-Scanner

Install Tesseract OCR:

sudo apt-get install tesseract-ocr

Navigate to the backend directory and install dependencies:

cd backend
go mod tidy

Start the backend server:

go run main.go

The server will run on http://localhost:3000

Navigate to the frontend directory:

cd frontend/MyApp
npm install

Start the Expo development server:

npx expo start

Follow the on-screen instructions to run the app on:

• iOS Simulator
• Android Emulator
• Physical device with Expo Go

1. Capture - Open the app and take a photo of your receipt
2. Process - The image is sent to the backend where OCR extracts the text
3. Parse - AI algorithms structure the data into a standardized format
4. Categorize - The receipt is automatically categorized based on content
5. Store - Save the digitized receipt for future reference
6. Review - View organized receipt data or listen to it via text-to-speech

For detailed API endpoints, request/response formats, and integration examples, see the Backend API Documentation.

Quick API Overview:

• POST /process - Upload and process a receipt image
• POST /tts - Convert receipt data to speech

Receipt-Scanner/
├── frontend/          # React Native mobile app (TypeScript)
│   └── MyApp/        # Expo application
├── backend/          # Go API server
│   └── README.md     # Detailed API documentation
└── README.md         # This file

• Tesseract OCR for text extraction
• Fiber framework for the Go backend
• Expo and React Native for mobile development
• .devhacks 2025 for the opportunity to build this project

The backend API documentation and usage instructions can be found Here.