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Tiller vs Firefly III: catalog facts
Tiller	Firefly III
Paid Subscription service; the fetched page does not list prices.	Free Free and open source under the AGPL 3.0. You provide the hosting.
Web	Windows, macOS, Linux, Web, Self-hosted
Works in Google Sheets and Excel Automatic daily transaction and balance feeds	Budgets, categories, tags, bills and recurring transactions in one place Rules that categorise transactions as they arrive
Requires comfort with spreadsheets Relies on a bank connection service	A PHP application with a database that you have to run and update Bank imports need a separate companion tool
Hosted service	Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.