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Clearview X vs BookShelves eBook Reader: catalog facts
Clearview X	BookShelves eBook Reader
Paid Available as a paid app; the App Store listing does not state its price.	Freemium Free to try with up to 10 books; Pro is a one-time purchase.
macOS	macOS, iOS
Reads several ebook and comic formats Offers scrolling, page flipping, and single or double page layouts	Reads ebooks and comics in many formats Supports OPDS catalogs and free classic books
Available for macOS	Available only on Apple platforms Pro is required for iCloud sync
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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