Budget like you're building a house. Brick by brick.

A simple, private budgeting app for your household. Track income and expenses month by month. No cloud, no fuss.

macOS only for now. Free and open source.

Mattoni app demo

Simple by design

No complicated features you'll never use. Just the essentials to keep your household finances on track.

Privacy-first

Your data stays on your device. No cloud, no tracking, no surprises. It's your money, it's your business.

Simple budgeting

Track income and expenses month by month. No MBA required, no spreadsheet nightmares.

Free & open source

MIT licensed. Fork it, tweak it, make it yours. Built with love, shared with everyone.

Works offline

Native macOS app that works without internet. Your budget doesn't need Wi-Fi.

Ready to take control of your finances?

Start building your budget today. One brick at a time.

Download for macOS

Windows and Linux versions coming soon.