📱 Mobile Application
SmartInvo: Easy Invoice Maker
Flutter-Based Android Invoice & Billing Application
Si Software LTD
1-2 Month
2024
Android Application
Project Overview
SmartInvo: Easy Invoice Maker is a modern invoice and billing application developed using Flutter to help small business owners, freelancers, and entrepreneurs generate professional invoices directly from their mobile devices.
The app focuses on simplicity, speed, and usability while offering essential billing features such as invoice creation, customer management, PDF export, and sharing options.
Key Features
Professional Invoice Creation
Customer & Product Management
Estimates & Delivery Orders
Automatic Calculations (Tax & Total)
PDF Export & Sharing
Offline Usage Support
Clean & Intuitive UI
Fast Performance with Flutter
Challenge & Solution
TECHBIKIGIES USED
Flutter
Dart
Local database
Mobile App Development
Small Business & Billing Solutions
$400-$500
✓ Live & Active
🎯 The Challenge
The main challenge of this project was to build a cross-platform–ready invoicing system that is fast, lightweight, and easy to use for non-technical users.
Key challenges included:
Designing a simple yet powerful invoice builder using Flutter
Managing local data storage for offline invoice creation
Generating professional PDF invoices with proper formatting
Handling dynamic calculations (subtotal, tax, totals) smoothly
Ensuring high performance UI on low-end devices
Creating a clean business-friendly design without complexity
The goal was to replace manual invoicing with a mobile-first solution that works reliably anytime, anywhere.
💡 Our Solution
To solve these challenges, I designed and developed a complete Flutter-based invoicing system with the following solutions:
Flutter UI framework for smooth and responsive cross-platform design
Invoice Builder Module with dynamic item and price handling
Customer & Product Management System
Offline-first architecture using local database storage
PDF generation and sharing system for professional documents
Search, edit, and reuse invoice records
Optimized performance for fast loading and smooth interactions
This system allows users to create, manage, and share invoices easily without any technical knowledge.
App Screenshots
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