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Katao

Desktop software for tracking card hobby purchases

A desktop tool for syncing and analyzing purchase records from cardhobby.com.cn, with local storage, charts, and export support.

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Why this exists

Collectors need better visibility into their spending

Purchase histories can become hard to review once they are buried inside platform pages. Users need a way to sync, store, and analyze their own records without depending on a browser workflow every time.

What I built

A local-first desktop app for account history

Katao combines platform login, record crawling, SQLite storage, analytics views, and CSV export inside a PyQt desktop app that is easy to run as a packaged executable.

Highlights

Syncs purchase records from cardhobby.com.cn into a local database.

Supports yearly and monthly spending analysis with charts.

Lets users inspect order details and export data to CSV.

Offers packaged releases for people who do not want to run Python manually.

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