Finance · Open source
Invoice Ninja
Invoice Ninja
Invoice your clients, accept payments, track expenses & time billable-tasks
Opens the official F-Droid page
About Invoice Ninja
200,000+ businesses trust Invoice Ninja. And it's 100% free!
Create invoices, track payments, vendors, expenses, and time billable-tasks & projects.
* Invoicing, Quotes, Credits, Payments
* Product Library, Client Management
* Project & Task Management, Time-Tracking
* Full Persistence, 2FA, Google Login
Pro & Enterprise Highlights
* Unlimited Clients, Invoices, Quotes
* Email invoices & quotes via your Gmail account.
* Attach & embed 3rd party files to client invoices & emails
Intuitive business dashboard
* View revenue, invoices sent, recent activity data.
* Track upcoming invoices, invoices past due, more.
Invoice Clients in seconds
* Create clients and send an invoices in seconds.
* Create subscriptions, recurring invoices, payment profiles.
* Send Invoices & quotes directly via your Gmail account.
* Product library system to quickly populate invoices & quotes.
Clients pay faster
* Accept credit cards, ACH payments, PayPal, & more.
* Clients pay directly from their invoice with the click of a button.
Notifications keep you up-to-date
* Receive app and email notifications when client view or paid.
* View instant data updates when payments are made.
* Automate payment reminders & past due notifications.
How to install Invoice Ninja
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open Invoice Ninja from your app drawer.





