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Feedbro vs Fluent Reader: catalog facts
Feedbro	Fluent Reader
Free Free to install from the browser add-on stores.	Free Free and open source under a BSD 3-clause licence. The Microsoft Store and Mac App Store…
Browser extension	Windows, macOS, Linux
Full feed reader inside the browser, no separate app Rule engine for automatic filtering	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
Not open source Tied to one browser profile rather than synced across devices	Electron, so it is heavy for a feed reader The Microsoft Store version is recommended for auto-update; GitHub builds update manually
Browser extension	Downloadable app
Closed source	Open source
License not stated	License: BSD-3-Clause
No 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.