Invoice Maker – Cross‑Platform Flutter Invoicing App

Build professional invoices in minutes. Invoice Maker is a modern, offline-first Flutter app that runs on Android, iOS, Web, Windows, macOS, and Linux. It stores data locally with SQLite (via Drift), supports English and French, also other languages, and generates beautiful PDFs you can share with clients.

DEMO APP

Key features

• Clients: Add, edit, delete; store contact, address, tax ID, notes
• Products/Services: Manage catalog with price, SKU, unit, category
• Invoices:
  • Create, edit, duplicate, delete
  • Add multiple items with quantity and unit price
  • Automatic totals: subtotal, tax, discount, shipping, grand total
  • Meta: invoice number, issue/due dates, due days, notes, terms, status
  • Payments: amount paid, paid date, method, notes
• PDF generation:
  • In-app preview
  • Professional layout
  • Share/open via native apps
• Dashboard & lists:
  • Recent invoices at a glance
  • Filterable lists for clients, products, and invoices
• Settings:
  • Language: English/French (instant UI update and persists)
  • Default currency code (e.g., USD)
  • Number locale (e.g., en_US)
  • Date format pattern (e.g., MMM dd, yyyy)