Invoke app icon
iOS · SwiftUI · On-device AI

Invoke

Tax-compliant quotes, invoices & payment reminders — offline, private, and written for you by on-device AI.

South Africa · UK · Australia · Nigeria 5-regime tax engine Apple Foundation Models Zero data collection
Download on the App Store Privacy policy Support
Invoke — a finished tax invoice Invoke — AI writing the line items Invoke — compliance check Invoke — share to WhatsApp Invoke — AI payment reminder Invoke — insights

What it is

Invoke turns a plain-language description of a job into a professional, tax-compliant invoice in under a minute — then helps you get paid. It works entirely offline, keeps every byte of client data on the device, and never asks for an account.

Built for real tax rules

A multi-country tax engine produces documents in the exact format each authority prescribes — VAT for South Africa, the UK and Nigeria, GST for Australia — with the correct titles, thresholds, per-rate breakdowns and compliance checks before you ever hit send.

AI that writes, not guesses

Using Apple's on-device Foundation Models, Invoke drafts your line items, your WhatsApp cover message and your payment chasers — locally, for free, with no cloud and no API cost. The maths is always done in code; the AI only handles the words.

Privacy by design. Invoke collects no data, has no account and makes no network calls. Everything — clients, documents, totals — stays on your phone. See the privacy policy.