Expense Track

Complete Finance Tracking Solution

Professional Flutter App with Firebase Integration

Overview

Expense Track is a comprehensive, production-ready expense and income tracking application built with Flutter and Firebase. This powerful finance management solution offers advanced analytics, budget planning, premium subscription features, and an intuitive user interface designed for both individuals and businesses.

Whether you’re a developer looking to launch your own finance app, integrate financial tracking into an existing system, or learn best practices for Flutter development, Expense Track provides a complete, well-structured codebase that follows industry standards and clean architecture principles.

The app features a beautiful Material Design interface, real-time data synchronization, offline support, and comprehensive financial analytics. With support for 200+ currencies, multiple authentication methods, and premium subscription management, Expense Track is ready for immediate deployment or customization.

✨ Key Features

User Interface

Material Design 3
Responsive Layout
Smooth Animations
Dark/Light Theme
Minimalistic Design

Authentication

Email/Password Login
Google Sign-In
Facebook Authentication
Password Reset
User Profile Management

Expense Management

Add/Edit/Delete Expenses
Category Organization
Datewise Filtering
Payment Methods
Notes & Attachments

Income Tracking

Multiple Income Sources
Income Categories
Income History
Recurring Income
Income Analytics

Advanced Analytics

Interactive Charts
Category Breakdown
Date Range Analysis
Spending Trends
Budget Analytics View

Budget Management

Weekly Budgets
Monthly Budgets
Yearly Budgets
Real-time Tracking
Progress Indicators

Premium Features

RevenueCat Integration
Premium Budget Management
Advanced Analytics
Detailed Budget Views
Subscription Management

Receipt Scanner

Camera & Gallery Support: Take photos directly or select receipts from gallery
Image Cropping: Crop and adjust receipt images before processing
OCR Text Recognition: Advanced OCR technology using Tesseract to extract text
Automatic Data Extraction: Extracts merchant name, date, total, subtotal, tax, and invoice number
Smart Merchant Detection: Intelligent algorithm to identify merchant/business names
Multi-Currency Support: Recognizes multiple currencies (USD, EUR, GBP, INR, and more)
Date Parsing: Extracts dates in various formats (MM/DD/YYYY, DD/MM/YYYY, YYYY-MM-DD)
Line Items Extraction: Automatically extracts individual line items with quantities and prices
Manual Field Editing: Edit any extracted field manually if OCR results need correction
Confidence Scoring: Visual indicators showing confidence levels for each extracted field
Progress Tracking: Real-time progress indicators during image processing
Error Handling & Retry: Comprehensive error handling with retry options
Permission Management: Automatic camera and storage permission requests
Save as Expense: Convert scanned receipt data directly into expense entries

Category Management

Custom Categories
Category Icons
Color Coding
Category Analytics
Category Details

Transaction Management

Unified Transaction List
Advanced Search
Multi-Filter Support
Date Range Filtering
Transaction Sorting

Data Export

CSV Export
Excel Export
Custom Date Ranges
Filtered Exports
Share Functionality

Data Sync

Firebase Firestore
Real-time Sync
Offline Support
Cloud Backup
Auto Sync

⚙️ Settings & Configuration

200+ Currencies
Theme Selection
Account Settings
Onboarding Flow
Environment Variables

Technical Specifications

Framework: Flutter 3.24.0+
Dart SDK: 3.0.0 – 4.0.0
State Management: Bloc/Cubit (flutter_bloc 9.1.1)
Navigation: GoRouter 16.3.0
Local Database: ObjectBox 5.0.1
Cloud Database: Firebase Firestore 6.0.0
Authentication: Firebase Auth 6.0.0
Charts: FL Chart 1.1.1
Subscriptions: RevenueCat (purchases_flutter 9.9.0)
Architecture: Clean Architecture with Feature-based Structure
Platform Support: Android, iOS, Web
Minimum Android: API Level 21 (Android 5.0)
Minimum iOS: iOS 12.0+

Detailed Feature List

User Interface & Experience

Material Design 3: Modern, clean interface following Google’s Material Design guidelines
Responsive Layout: Adapts seamlessly to different screen sizes and orientations
Smooth Animations: Fluid transitions and loading animations for better UX
Dark/Light Theme: Full theme support with system preference detection
Minimalistic Design: Clutter-free interface with intuitive navigation
Custom Widgets: Reusable, well-structured UI components

Authentication & Security

Email/Password Authentication: Secure email-based login with Firebase
Google Sign-In: One-tap Google authentication integration
Facebook Login: Social authentication via Facebook
Password Reset: Forgot password functionality with email verification
User Profile: Manage user information, display name, and profile picture
Secure Storage: Encrypted local storage for sensitive data
Session Management: Automatic session handling and token refresh

Expense Management

Add Expenses: Quick expense entry with amount, category, date, and notes
Edit Expenses: Modify existing expense records
Delete Expenses: Remove expenses with confirmation
Expense Categories: Pre-defined and custom categories with icons and colors
Payment Methods: Track payment method (Cash, Card, Bank Transfer, etc.)
Datewise Filtering: Filter expenses by specific dates, date ranges, daily, weekly, monthly, or yearly
Expense Search: Search expenses by title, notes, category, or amount
Expense History: Complete transaction history with sorting options
Expense Analytics: Visual representation of spending patterns

Income Tracking

Add Income: Record income from various sources
Income Categories: Categorize income types (Salary, Freelance, Investment, etc.)
Income Sources: Track multiple income sources with detailed information
Income History: View complete income transaction history
Income Analytics: Charts and graphs showing income trends
Recurring Income: Set up recurring income entries

Analytics & Reports

Interactive Charts: Beautiful charts using FL Chart library
Category Analysis: Visual breakdown of expenses and income by category
Date Range Analysis: Analyze financial data for any time period
Spending Trends: Track spending patterns over time
Income vs Expense: Compare income and expenses side by side
Monthly Summaries: Detailed month-by-month financial overview
Budget Analytics View: Comprehensive budget analysis with spending patterns
Category-wise Breakdown: Visual indicators for each category
Progress Indicators: Visual progress bars and percentage displays
Custom Reports: Generate reports based on custom filters

Budget Management

Create Budgets: Set up budgets for weekly, monthly, or yearly periods
Budget Tracking: Real-time monitoring of budget usage
Budget Progress: Visual indicators showing budget status and percentage
Budget History: View past budgets and their performance
Active Budget Display: Real-time tracking of current period expenses
Budget Alerts: Visual warnings when approaching or exceeding limits
Budget Analytics: Detailed analysis of budget performance
Multiple Budgets: Support for multiple active budgets

Premium Features (RevenueCat Integration)

RevenueCat Integration: Seamless subscription management
Premium Budget Management: Advanced budget planning for premium users
Enhanced Analytics: Detailed analytics and insights for premium users
Budget View: Comprehensive budget analysis with advanced insights
Premium Indicators: Clear visual distinction between free and premium features
Subscription Management: Easy subscription purchase and management
Paywall Integration: Beautiful paywall screens for subscription

Category Management

Custom Categories: Create and manage custom expense/income categories
Category Icons: Assign icons to categories for visual identification
Category Colors: Customize category colors for personalization
Category Details: View category-specific analytics and spending patterns
Color-Coded Organization: Visual organization with color-coded categories
Category Statistics: View statistics for each category

Transaction Management

Unified Transaction List: View all transactions (income and expenses) in one place
Advanced Search: Search transactions by multiple criteria
Multi-Filter Support: Filter by date, amount, category, type, and more
Date Range Filtering: Filter transactions by specific dates or ranges
Transaction Sorting: Sort by date, amount, category, or type
Transaction Details: View complete transaction information
Bulk Operations: Select and manage multiple transactions

Data Export

CSV Export: Export all transactions to CSV format
Excel Export: Export data in Excel-compatible format
Custom Date Ranges: Export transactions for specific time periods
Filtered Exports: Export filtered transaction data
Share Functionality: Share exported files via email, messaging apps, etc.
Data Backup: Export all data for backup purposes

Data Synchronization

Firebase Firestore: Real-time cloud database synchronization
Real-time Sync: Automatic synchronization across devices
Offline Support: Full functionality without internet connection
Offline-First Architecture: ObjectBox local database with Firebase cloud sync
Cloud Backup: Automatic cloud backup of all financial data
Auto Sync: Seamless synchronization when connection is restored
Conflict Resolution: Smart conflict resolution for data sync

⚙️ Settings & Configuration

200+ Currencies: Support for 200+ currencies and countries
Currency Formatting: Automatic currency formatting based on selection
Theme Selection: Switch between dark and light themes
Account Settings: Change display name and password
Onboarding Flow: One-time onboarding with Shared Preferences
Environment Variables: Secure configuration management for API keys
Language Support: Multi-language support (extensible)

What’s Included

Complete Source Code: Fully commented, production-ready Flutter codebase
Firebase Configuration: Pre-configured Firebase setup files
ObjectBox Models: Pre-defined database models and schemas
UI Components: Reusable widgets and custom components
State Management: Complete Bloc/Cubit implementation
Navigation Setup: GoRouter configuration with all routes
Authentication Flow: Complete auth implementation with multiple providers
Documentation: Setup guides and code documentation
Firebase Rules: Security rules for Firestore
Build Configuration: Android and iOS build files

Installation & Setup

Prerequisites

Flutter SDK 3.24.0 or higher
Dart SDK 3.0.0 or higher
Android Studio / Xcode (for mobile development)
Firebase account (free tier available)
RevenueCat account (for premium features)

Quick Start Guide

Install Dependencies:
```
flutter pub get
```
Firebase Setup:
- Create a Firebase project at Firebase Console
- Enable Authentication (Email/Password, Google, Facebook)
- Enable Firestore Database
- Download and replace configuration files:
  - android/app/google-services.json
  - ios/Runner/GoogleService-Info.plist
- Update lib/firebase_options.dart with your Firebase config
RevenueCat Setup (Optional for Premium Features):
- Create a RevenueCat account
- Get your API key
- Update lib/features/subscription/services/revenue_cat_const.dart

Generate ObjectBox Models:

flutter pub run build_runner build --delete-conflicting-outputs

Run the App:
```
flutter run
```

⚠️ Important: Make sure to configure Firebase before running the app. The app requires Firebase for authentication and data storage.

️ Project Structure

lib/
├── core/                    # Core functionality
│   ├── config/             # Global configurations
│   ├── router/              # Navigation setup
│   ├── theme/              # Theme configuration
│   └── utils/               # Utilities and helpers
├── features/                # Feature modules
│   ├── authentication/     # Auth screens and logic
│   ├── home/               # Home screen
│   ├── dashboard/          # Dashboard and analytics
│   ├── expense/            # Expense management
│   ├── income/             # Income tracking
│   ├── budget/             # Budget management
│   ├── analytics/          # Analytics screens
│   ├── subscription/       # Premium features
│   └── profile/            # User profile
├── data/                    # Data layer
│   ├── models/             # Data models
│   └── repositories/       # Repository implementations
└── packages/                # Local packages

Screenshots

Note: Screenshots should be added here showing:

Home screen with balance cards
Dashboard with analytics charts
Expense/Income entry screens
Budget management interface
Analytics and reports
Settings and profile screens
Dark/Light theme examples

Customization

The codebase is designed for easy customization:

Theme Colors: Modify colors in lib/core/theme/
Categories: Add/edit categories in lib/data/models/
UI Components: Customize widgets in respective feature folders
API Endpoints: Update Firebase configuration as needed
Branding: Replace app name, logo, and assets

Changelog

Version 1.1.8(Current)

✅ Complete expense and income tracking
✅ Advanced analytics with interactive charts
✅ Budget management (weekly, monthly, yearly)
✅ Premium subscription integration (RevenueCat)
✅ Datewise expense filtering
✅ CSV/Excel export functionality
✅ Environment variables implementation
✅ 200+ currency support
✅ Dark/Light theme support
✅ Offline-first architecture
✅ Firebase real-time sync
✅ Multiple authentication methods

Support

This is a complete, production-ready application. The code is well-documented and follows Flutter best practices. If you need assistance with customization or have questions about the implementation, please refer to the included documentation or contact support.

✅ Production Ready: This app is fully functional and ready for deployment. All features are implemented and tested.

License

This item is sold under the Envato Regular License. You can use it for personal or commercial projects. Please refer to the license terms for detailed information.

Perfect For

Developers looking to launch a finance tracking app
Businesses needing expense management solutions
Developers learning Flutter best practices
Startups building financial applications
Anyone needing a complete finance tracking solution

Get Started Today!

Start building your finance tracking app with a production-ready codebase. All features are implemented, tested, and ready to use.

<head> <meta charset=”UTF-8”> <meta name=”viewport” content=”width=device-width, initial-scale=1.0”> <title>Expense Track – Complete Finance Tracking Solution | Flutter App</title> </head> lib/ ├── core/ # Core functionality │ ├── config/ # Global configurations │ ├── router/ # Navigation setup │ ├── theme/ # Theme configuration │ └── utils/ # Utilities and helpers ├── features/ # Feature modules │ ├── authentication/ # Auth screens and logic │ ├── home/ # Home screen │ ├── dashboard/ # Dashboard and analytics │ ├── expense/ # Expense management │ ├── income/ # Income tracking │ ├── budget/ # Budget management │ ├── analytics/ # Analytics screens │ ├── subscription/ # Premium features │ └── profile/ # User profile ├── data/ # Data layer │ ├── models/ # Data models │ └── repositories/ # Repository implementations └── packages/ # Local packages