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