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monetr vs Firefly III: catalog facts
monetr	Firefly III
Freemium The hosted service offers a 30-day free trial; self-hosting is free.	Free Free and open source under the AGPL 3.0. You provide the hosting.
Web, Self-hosted	Windows, macOS, Linux, Web, Self-hosted
Budgets for expenses on any recurring interval Shows how much is left over after setting money aside	Budgets, categories, tags, bills and recurring transactions in one place Rules that categorise transactions as they arrive
Automatic bank sync depends on Plaid License terms are not stated in the research	A PHP application with a database that you have to run and update Bank imports need a separate companion tool
Web application, Self-hosted, Hosted service	Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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