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Fluent Reader vs Feedbro: catalog facts
Fluent Reader	Feedbro
Free Free and open source under a BSD 3-clause licence. The Microsoft Store and Mac App Store…	Free Free to install from the browser add-on stores.
Windows, macOS, Linux	Browser extension
Works fully locally, or syncs with Inoreader, Feedbin, Fever and Google Reader API services Regular expression rules that hide, mark read or star articles automatically as they arrive	Full feed reader inside the browser, no separate app Rule engine for automatic filtering
Electron, so it is heavy for a feed reader The Microsoft Store version is recommended for auto-update; GitHub builds update manually	Not open source Tied to one browser profile rather than synced across devices
Downloadable app	Browser extension
Open source	Closed source
License: BSD-3-Clause	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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