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Apple Books vs Kindle for Web: catalog facts
Apple Books	Kindle for Web
Free The app is free; ebooks and audiobooks are bought individually with no subscription.	Free The reader is free; books are bought or borrowed through Amazon.
macOS, iOS	Web
Ebooks and audiobooks in a single app Reading position syncs through iCloud	Nothing to install Highlights, notes and in-book search
Only available on Apple devices Store purchases are tied to Apple's ecosystem	Requires an Amazon account Only reads content from your Amazon Kindle library
Downloadable app	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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