The Invoice Barcode app simplifies adding products to account move lines by using barcode scanning, allowing users to quickly add products, increase quantities, and manage invoicing processes efficiently. Key features include barcode scanning, automatic quantity updates, seamless integration with Odoo’s invoicing, accounting, and product modules, inventory management, product synchronization, real-time updates, order accuracy, error handling, automated invoicing, invoice line updates, stock tracking, product entry, invoice generation, order fulfillment, delivery verification, account move handling, customer orders, stock management, manual data entry reduction, product variants, purchase orders, invoice validation, product tracking, procurement workflows, accounting integration, stock management automation, seamless data updates, billing processes, barcode functionality, quantity adjustments, invoice lines, purchase receipts, order line updates, invoicing errors, product search, product scanning, stock entries, financial transactions, barcode error handling, payment processing, and efficient order management.