Auto Invoice Pro: A Flutter-Based Mobile Invoicing Application for Freelancers and Small Business Owners

This paper presents Auto Invoice Pro, a mobile invoicing application developed using Flutter and Dart, designed for freelancers and small business owners. The app enables users to generate professional invoices, manage customer and product details, and share invoices via PDF export, email, or messaging apps. It simplifies billing through a user-friendly interface and supports essential features such as company branding, data backup, and local printing. By leveraging Flutter’s cross-platform capabilities, the application ensures efficient performance and accessibility on both Android and iOS devices.