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NewsFlash vs Lettura: catalog facts
NewsFlash	Lettura
Free Free and open source under the GPL.	Free Free and open source.
Linux	Windows, macOS, Linux
Syncs with most self-hosted and hosted reader back ends Scrapes full article text when a feed only publishes excerpts	Standalone desktop app built with Tauri Free and open source with active development
Linux only, and built for GNOME conventions Some back ends support fewer features than others	Documentation is mostly in the GitHub repository No mobile app
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.