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BookShelves eBook Reader vs Koodo Reader: catalog facts
BookShelves eBook Reader	Koodo Reader
Freemium Free to try with up to 10 books; Pro is a one-time purchase.	Free Free and open source under the AGPL-3.0.
macOS, iOS	Windows, macOS, Linux, Android, iOS, Web
Reads ebooks and comics in many formats Supports OPDS catalogs and free classic books	Over fifteen formats including EPUB, PDF, MOBI, AZW3, comic archives and DOCX Syncs through storage you already control rather than a vendor cloud
Available only on Apple platforms Pro is required for iCloud sync	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
Downloadable app	Downloadable app, Web application
Closed source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 20, 2026

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