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Pressbooks vs Vellum: catalog facts
Pressbooks	Vellum
Paid Prices are not listed on the homepage; enterprise plans start with a demo request.	Paid Commercial software; prices are listed on the developer's site.
Web	macOS
Exports books in several formats from one source Supports interactive content such as H5P quizzes and annotations	Produces both ebook and print PDF from one manuscript Store-specific ebook files and box sets from a series
Pricing is not published on the homepage Enterprise plans are aimed at institutions and sold through demos	Only available for Mac, macOS 13 or newer Paid software
Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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