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NewsBlur vs CommaFeed: catalog facts
NewsBlur	CommaFeed
Freemium A limited free tier is available. Premium is a paid subscription. Self-hosting is free.	Free Free and open source under the Apache licence. A hosted instance is available.
Android, iOS, Web, Self-hosted	Web, Self-hosted
Training on tags, authors and phrases genuinely reduces the noise The entire service is open source and self-hostable	Familiar Google Reader interface and keyboard shortcuts Single Java application with SQLite, so it runs on modest hardware
The free tier is limited to a small number of feeds Self-hosting the full stack is a substantial undertaking	Fewer filtering and automation features than Tiny Tiny RSS Small maintainer team
Hosted service, Self-hosted	Self-hosted, Web application
Open source	Open source
License: MIT	License: Apache-2.0
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 22, 2026

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