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Matter vs Omnivore: catalog facts
Matter	Omnivore
Freemium Freemium, with paid tiers unlocking AI summaries and narration.	Free Free and open source under the AGPL-3.0 licence.
macOS, iOS, Web	Web, Self-hosted, Browser extension
Combines newsletters, RSS feeds, and read-later saves in one inbox AI summaries and audio narration help process a backlog of reading	Highlights, notes and labels on saved articles Newsletters by email, PDFs and RSS feeds in one place
Full feature set requires a paid subscription Reading experience is centered on its own apps rather than open RSS standards alone	Hosted service closed, so you must run your own server Maintained by the community after the company stepped back
Downloadable app, Web application	Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is 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.