G8 Invoicing para Android

G8 Invoicing is a free and open-source invoicing app for Android.

Features:
- Create and manage invoices
- Create delivery notes and convert them to invoices
- Create credit notes
- Manage your clients and products
- Custom pricing per client
- Export documents to PDF
- No account required, all data stored locally

Perfect for freelancers, small businesses and anyone who needs to create professional invoices on the go.