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Invoice Ninja

Invoice Ninja is a free, open-source budget and finance app for Android and iOS. Invoice your clients, accept payments, track expenses & time billable-tasks. It has 1,756 GitHub stars and is released under the AAL license, and you can install it from F-Droid, Google Play and the App Store.

github.com/invoiceninja/admin-portal (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

Get it on F-Droid (opens in a new tab)Google Play (opens in a new tab)App Store (opens in a new tab)View on GitHub (opens in a new tab)

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.

Privacy and F-Droid

F-Droid builds Invoice Ninja from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

  • Relies on a non-free network service

Screenshots

  • Invoice Ninja screenshot 1
  • Invoice Ninja screenshot 2
  • Invoice Ninja screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

Invoice Ninja FAQ

Still curious? Email info@appsgit.com.

Is Invoice Ninja free and open source?

Yes. Invoice Ninja's source code is public on GitHub under the AAL license, which is OSI-approved or FSF-free. F-Droid flags these anti-features on its latest build: relies on a non-free network service.

How do I install Invoice Ninja?

You can install Invoice Ninja from F-Droid (package com.invoiceninja.app), from Google Play and from the App Store; the links are on this page. Its GitHub repository also publishes releases (latest: v5.0.198).

Is Invoice Ninja still maintained?

The repository's most recent commit was on Oct 8, 2026. Its F-Droid listing was last updated on May 14, 2026. appsgit only lists apps whose repository had a commit in the last six months.