On the phone

An offline invoice app that does not need a login.

You are on site. The client said yes. You should not open an account wall to send a PDF. 3-Tap Invoice keeps clients, line items, and totals on the device. The internet is only for paying and redeeming the unlock code.

Pick a client, add the work, export an A4 PDF from the Android share sheet. The first three documents are free. Unlimited quotes, invoices, and receipts are $20 NZD once.