The latest version of Invoice Ninja APK (v5.1.20) is available to download. Invoice clients, accept payments, track expenses and billable time This app works on Android phones and tablets.
About Invoice Ninja APK
Invoice Ninja is invoicing, payments, expenses and time-tracking for freelancers and small businesses. It works with the hosted service at invoicing.co or with your own self-hosted Invoice Ninja server. Work offline * Every change is saved on your device first and syncs when you are back online. * Lists load a page at a time, so large accounts stay fast. * Reopen the app exactly where you left off. Invoice and get paid * Invoices, quotes, credits, recurring invoices and purchase orders. * Record payments, apply credits and send documents by email. * Preview the PDF, and open any earlier saved version of a document. * Clients, vendors and a product library to fill line items quickly. Track time and expenses * Start and stop timers on tasks, and book time ahead. * List, daily, weekly, calendar and kanban views of your tasks. * Projects, expenses with categories, and documents attached to any record. See how the business is doing…
Invoice Ninja APK was developed by Invoice Ninja and is available under the AAL open-source license. This means the source code is public and anyone can inspect it. If you like Finance Manager apps, you can also browse more apps in this category.
Invoice Ninja APK Information
| App Name | Invoice Ninja |
| Package | com.invoiceninja.admin |
| Version | 5.1.20 |
| Size | 66 MB |
| Requires | Android 7.0 and up |
| Category | Finance Manager |
| Developer | Invoice Ninja |
| License | AAL |
| Source | F-Droid |
| Last Updated | October 29, 2026 |
Download Invoice Ninja APK v5.1.20
How to Install Invoice Ninja APK on Android
- Download the Invoice Ninja APK file using the button above.
- Open your phone Settings and allow “Install unknown apps” for your browser or file manager.
- Tap the downloaded APK file and press Install.
- After installation, open Invoice Ninja from your app drawer.
Why Download Invoice Ninja APK from Here?
We link Invoice Ninja APK directly from F-Droid, so the file is original and we make no changes to it. Whenever a new version is released, this page is updated automatically, so you always get the latest Invoice Ninja APK.
Frequently Asked Questions
Is Invoice Ninja APK free?
Yes, Invoice Ninja APK is free and available under the AAL open-source license.
Is Invoice Ninja APK safe?
This file comes from the official F-Droid repository, where apps are open source and their source code is public. Still, always check an app’s permissions before installing it.
Which Android version does Invoice Ninja APK need?
Invoice Ninja APK requires Android 7.0 and up to run.
What is the latest version of Invoice Ninja APK?
The latest version is 5.1.20, updated on October 29, 2026.
Official page: Invoice Ninja official website / source
