Coming soon

InvoiceOakInvoice Maker for freelancers and small businesses

Pick your country and InvoiceOak sets up the tax rates, required fields and legal wording. Write the invoice, check it, issue it, and send it as a PDF. Your data stays on your phone.

Coming soon to Google Play and the App Store

Opens your mail app. No mailing list and no tracking; we reply once, at launch.

What it does

A correct invoice from your phone, without an account wall.

  • Country-aware

    Tax-rate presets, required fields, numbering and legal notes for your country. The app checks a document before it is issued, then locks it.

  • Invoices and more

    Invoices, quotes, proformas and credit notes. Turn an accepted quote into an invoice, record payments, and see what is overdue.

  • Send and print

    Share a PDF, email it from your own mail app, print it, or print a receipt on a Bluetooth thermal printer.

  • Your data stays yours

    Clients, items and documents are stored on your device. We never receive them.

  • Works offline

    No signal on site? Create and issue documents anyway. Nothing waits for a server.

  • Export any time

    CSV export and full backup ZIP are included in the free version. E-invoice XML export (UBL, CII) comes with Pro.

Free to use with a monthly invoice limit and ads on list screens. InvoiceOak Pro (monthly, yearly with a 7-day free trial, or lifetime) removes the limits and ads; billing and cancellation go through Google Play or the App Store.