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MrRSS vs Folo: catalog facts
MrRSS	Folo
Free Free and open source under the GPL-3.0.	Free The source is published on GitHub; the research does not describe paid tiers.
Windows, macOS, Linux	Windows, macOS, Linux, Android, iOS, Web
Free and open source Cross-platform desktop app	Desktop, web and mobile apps Follows RSS and other source types
Younger project than established feed readers Some documentation is primarily in Chinese	AI features may not suit readers who want a plain chronological reader License details not stated in the research
Downloadable app	Downloadable app, Web application
Open source	Closed 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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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