About Chillar's

Why a money manager for the web

Most expense trackers are phone apps. If you sit at a desktop for eight hours a day, that decides whether you use one at all. Chillar's runs in the browser, installs to a phone home screen when you want it there, and keeps working with no connection.

The hard part of a money manager is not the screens, it is the arithmetic: multi-currency balances, budget scoping, period boundaries, month-end clamping. Every one of those is checked against fixture datasets carrying known answers, and where the code and the fixtures disagree, the fixtures win.

Three principles

Money is never a float.

Amounts are exact decimals from the database column through to the last step before display. This rule has no exceptions, because you would abandon a money app whose totals disagreed with its rows, and you would be right to.

Every number can be explained in a sentence.

There is no model, no inference and no generated prose anywhere in the product. Insights are arithmetic over your own rows, and you can reproduce any of them by hand. When software talks about your money, you deserve better than “trust the algorithm”.

Your data leaves when you do.

A single JSON export contains everything and imports back. Anyone asking you to type years of financial history into their software owes you at least that much.

How it is funded

Chillar's is free to use and stays that way. Running it costs money, and advertising is what covers that, which is the honest version of the trade: you see ads, and no feature is held back behind an upgrade prompt. Your financial rows are not the product — they are not sold, and they are not shared with data brokers.