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NetNewsWire vs FeedFlow: catalog facts
NetNewsWire	FeedFlow
Free The open-source application is available without a license fee.	Free Free to download and use, with no account needed.
macOS, iOS	Windows, macOS, Linux, Android, iOS
Completely free and open source with no account required Native Apple app with iCloud sync and many back-end options	Runs on Android, iOS, macOS, Windows and Linux Sync through iCloud, Dropbox, Google Drive or self-hosted FreshRSS and Miniflux
Apple platforms only Deliberately restrained feature set with no filtering or rules	Deliberately minimal, with few extras beyond reading and organizing Cross-device sync depends on a separate cloud or feed service
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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