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WebCull vs BookMacster: catalog facts
WebCull	BookMacster
Freemium Sign-up is free; a separate pricing page lists paid plans.	Paid Commercial app from Sheep Systems; check the site for current pricing.
Windows, macOS, Web, Browser extension	macOS
Search by keywords pulled from saved pages Optional end-to-end encryption	Tagging and alphabetizing for browser bookmarks Works with Safari bookmarks
Hosted service with no self-hosted option Paid plan details are not shown on the homepage	macOS only Requires macOS 11 or later for current versions
Downloadable app, Web application, Browser extension	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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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