Konnach: Easy Invoice Maker
An offline-first invoice and estimate maker for freelancers, contractors, and small businesses. Create polished documents, share PDFs, manage clients and services, track payments, and turn accepted estimates into invoices without retyping.
Live & shipping
Free with optional Pro
5 technologies
Why we built it
Small businesses should not need a spreadsheet, a desktop accounting suite, or repeated data entry to send a professional invoice. We built Konnach: Easy Invoice Maker as a fast, local-first workflow that keeps clients, estimates, invoices, and payment follow-up together on the phone.
What it does
11 capabilities, end-to-end.
Create professional invoices and estimates in a guided three-step flow
Generate, preview, and share polished invoice and estimate PDFs
Convert accepted estimates into invoices without re-entering details
Track paid and unpaid invoices plus estimate status
Local reminders for due, overdue, and expiring documents
Reusable clients and product or service catalog items
Business profiles with company logos, taxes, discounts, and payment details
Multiple workspaces for separate businesses
English, French, Spanish, and Arabic with RTL support
Offline-first local storage with no account required
Weekly, yearly, and lifetime Pro options
Built with
Native-quality mobile experience powered by a modern React Native + Expo stack.
Frequently asked questions
- Does Konnach: Easy Invoice Maker require an account?
- No. The app is offline-first and stores your business, client, invoice, and estimate data locally on your device.
- Can I turn an estimate into an invoice?
- Yes. Once an estimate is accepted, you can convert it into an invoice without retyping the client, line items, prices, taxes, or notes.
- Can I export invoices as PDF files?
- Yes. The app generates polished PDF documents on your device and lets you share them through the system share sheet.
- Which languages does the app support?
- The interface and document workflow support English, French, Spanish, and Arabic, including right-to-left layout for Arabic.
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