A comprehensive React Native expense tracking application designed to help users manage their finances with ease, security, and powerful analytics.
The Expense Tracker App is a full-featured mobile application built with React Native that enables users to track, categorize, and analyze their expenses. With a clean, intuitive interface and robust data management capabilities, users can gain valuable insights into their spending habits while keeping their financial data secure.
Get a glimpse of the app's sleek interface and powerful features:
View all your expenses in a clean, organized list with category icons and quick access to details
Intuitive form interface for adding new expenses with validation and category selection
Detailed view of individual expenses with edit and delete options
Comprehensive settings panel with security options, themes, and data management
Powerful analytics showing spending patterns, category breakdowns, and monthly insights
- Expense Management: Add, edit, delete, and view detailed expense records
- Smart Categorization: Organize expenses across 8 predefined categories
- Real-time Updates: Instant synchronization with pull-to-refresh functionality
- Search & Filter: Quick expense lookup and filtering capabilities
- Monthly Summaries: Track total spending and transaction counts
- Category Breakdown: Visual representation of spending by category
- Daily Averages: Calculate average daily expenditure
- Spending Trends: Monitor financial patterns over time
- React Native: Cross-platform mobile development
- React Navigation: Tab and stack navigation system
- FlatList: Optimized list rendering for expense data
- SQLite: Local database for expense records
- AsyncStorage: User preferences and settings
- SecureStore: Encrypted storage for sensitive data
- TextInput: Form input handling
- Date Picker: Intuitive date selection
- Category Picker: Dropdown selection for expense categories
- Custom Icons: Category-specific visual indicators
Before running this application, ensure you have the following installed:
- Node.js (v14 or higher)
- React Native CLI or Expo CLI
- Android Studio (for Android development)
- Xcode (for iOS development, macOS only)
-
Clone the repository
git clone https://github.com/yourusername/expense-tracker-app.git cd expense-tracker-app -
Install dependencies
npm install # or yarn install -
Install required packages
npm install @react-navigation/native @react-navigation/bottom-tabs @react-navigation/stack npm install react-native-screens react-native-safe-area-context npm install expo-sqlite expo-secure-store
-
Platform-specific setup
For iOS:
cd ios && pod install && cd ..
For Android: Ensure Android SDK is properly configured
-
Run the application
# For iOS npx react-native run-ios # For Android npx react-native run-android
src/
├── screens/
│ ├── HomeScreen.js # Main expense list
│ ├── AddExpenseScreen.js # Add new expense form
│ ├── StatisticsScreen.js # Analytics and insights
│ ├── SettingsScreen.js # App configuration
│ ├── ExpenseDetailsScreen.js # Individual expense view
│ └── EditExpenseScreen.js # Edit existing expenses
├── navigation/
│ ├── TabNavigator.js # Bottom tab navigation
│ └── StackNavigator.js # Stack navigation setup
├── database/
│ ├── DatabaseService.js # SQLite operations
│ └── schema.sql # Database schema
├── components/
│ ├── ExpenseItem.js # Individual expense list item
│ ├── CategoryIcon.js # Category visual indicators
│ └── LoadingSpinner.js # Loading state component
├── utils/
│ ├── storage.js # AsyncStorage utilities
│ ├── secureStorage.js # SecureStore utilities
│ └── validation.js # Form validation helpers
└── styles/
├── global.js # Global styling
└── themes.js # Light/dark theme definitions
The app uses SQLite with the following expense table structure:
CREATE TABLE expenses (
id INTEGER PRIMARY KEY AUTOINCREMENT,
title TEXT NOT NULL,
amount REAL NOT NULL,
category TEXT NOT NULL,
date TEXT NOT NULL,
description TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);The app supports 8 predefined expense categories:
- 🍔 Food: Meals, groceries, dining out
- 🚗 Transportation: Gas, public transit, rideshare
- 🎬 Entertainment: Movies, games, subscriptions
- 🛍️ Shopping: Clothing, electronics, personal items
- 💡 Bills: Utilities, rent, insurance
- 🏥 Healthcare: Medical expenses, pharmacy
- 📚 Education: Books, courses, training
- 📦 Other: Miscellaneous expenses
The Statistics screen provides comprehensive spending insights:
- Monthly Overview: Total expenses and transaction count
- Daily Average: Calculate spending patterns
- Category Breakdown: Visual spending distribution
- Trend Analysis: Monitor spending over time
- Date Range Filtering: Custom period analysis
Run the test suite to ensure app functionality:
# Run all tests
npm test
# Run tests with coverage
npm test -- --coverage
# Run specific test file
npm test ExpenseService.test.js- Responsive Design: Optimized for various screen sizes
- Smooth Animations: Engaging user interactions
- Pull-to-Refresh: Easy data synchronization
- Swipe Gestures: Intuitive expense management
- Loading States: Clear feedback during operations
- Error Handling: Graceful error management with user-friendly messages
Database not initializing:
- Ensure SQLite package is properly installed
- Check database permissions
Navigation not working:
- Verify React Navigation dependencies
- Check navigation structure setup
Authentication failing:
- Confirm device biometric settings
- Verify SecureStore permissions
We welcome contributions to improve the Expense Tracker App! Please follow these steps:
- Fork the repository
- Create a feature branch (
git checkout -b feature/amazing-feature) - Commit your changes (
git commit -m 'Add amazing feature') - Push to the branch (
git push origin feature/amazing-feature) - Open a Pull Request
- Follow React Native best practices
- Maintain consistent code formatting
- Add tests for new features
- Update documentation as needed
This project is licensed under the MIT License - see the LICENSE file for details.
- ✅ Complete CRUD operations for expenses
- ✅ SQLite database integration
- ✅ Tab and stack navigation
- ✅ Security features with biometric auth
- ✅ Statistics and analytics dashboard
- ✅ Theme support and customization
- ✅ Data export and management
- 🔄 Cloud backup integration
- 🔄 Budget setting and tracking
- 🔄 Receipt photo attachments
- 🔄 Recurring expense management
- 🔄 Advanced reporting features
Built with ❤️ for better financial management