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Koodo Reader vs Neat Reader: catalog facts
Koodo Reader	Neat Reader
Free Free and open source under the AGPL-3.0.	Freemium Free to use, with a Premium plan that has a seven-day free trial.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Android, iOS, Web
Over fifteen formats including EPUB, PDF, MOBI, AZW3, comic archives and DOCX Syncs through storage you already control rather than a vendor cloud	Apps for desktop, mobile and the web Syncs books, notes and progress through the cloud
It reads DRM-free files only; books bought from a store with DRM will not open Sync depends on whatever storage you configure, so the setup is on you	EPUB 3 support is not complete Some features need the paid Premium plan
Downloadable app, Web application	Downloadable app, Web application
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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