Shared household finance

Track shared finances without the clutter.

Q: Can I support the project?

Yes. You can support ongoing development through Buy Me a Coffee or GitHub Sponsors.

Summ is a mobile-first Android app for couples and shared households. Net worth, transactions, assets, and recurring payments stay in one calm workspace.

Free to use, open source, and available on Google Play.

Download now View on GitHub

Built for Couples and households

Primary device Android, mobile-first

Core promise Clear numbers, low friction

Workflow

From sign-in to shared finance in three steps.

Summ keeps the setup simple: sign in, connect a household, and track everything together.

Sign in with Google

Use a familiar sign-in flow and keep your session ready on your Android device.

Create or join a household

Start a new shared household or join an existing one with invite plus household ID.

Track everything together

Assets, transactions, recurring payments, widgets, and the dashboard stay aligned.

Features

Everything needed for a shared finance app, nothing heavier.

Summ keeps the product simple: one shared household, one dashboard, quick entry, and a UI designed for everyday mobile use.

Shared household

One household for both members, with shared assets, transactions, and dashboard data.

Net worth overview

Track assets, liabilities, cash flow, savings rate, and runway in one place.

Month-based tracking

Move across months for dashboard, transactions, and assets without leaving the app flow.

Quick entry

Add transactions quickly from the app, from the Quick Settings Tile, or from widgets.

Recurring payments

Track repeat transactions and reduce manual work for monthly expenses and income.

Dark mode and widgets

Use Summ comfortably day and night, with home-screen widgets for faster access.

Screens

Real app screens, not marketing mockups.

Summ is shown through real Android screens so the landing stays honest and product-first.

Dashboard — **Track net worth in one place** Track net worth, cash flow, and savings in one place.

Shared household — **Made for shared finances** A shared finance app for couples and households.

Transactions — **Track every transaction** Track income and expenses with a simple monthly view.

Assets — **Manage assets and liabilities** Stay on top of net worth month by month.

**Add transactions faster** Use the Quick Tile to log income and expenses quickly.

**Widgets for quick access** Check your finances right from the home screen.

Quick Tile action — **Faster than opening the app** Quick actions keep finance tracking practical every day.

Dark mode — **Built for day and night** A clean finance experience in both light mode and dark mode.

FAQ

Questions people usually have before trying Summ.

A few quick answers about pricing, platform, open-source availability, and shared household access.

Is Summ free to use?

Yes. Summ is free to use.

Is Summ open source?

Yes. Summ is open source, and the Android app source code is available on GitHub.

Is Summ available on Google Play?

Yes. Summ is built for Android and available on Google Play.

How does shared household access work?

Each person signs in with Google, then creates a household or joins an existing one. People in the same household share the same finance data.

Can I support the project?

You can support ongoing development through Buy Me a Coffee or GitHub Sponsors.

Get started

Ready to track finances together?

Get the free Android app, explore the open-source code, or support ongoing development.

Download now View on GitHub Buy Me a Coffee