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Collate vs ChatDOC: catalog facts
Collate	ChatDOC
Free Free to download and use; cloud models can be used with your own key.	Freemium Pricing details were not in the research; check the site for current plans.
macOS	Web
Answers questions about a PDF or a folder of documents Links answers to source pages	Summarizes long PDFs quickly Explains complex passages in plain language
Available for macOS only Local AI requires downloading a model	Documents are uploaded to a hosted service AI answers need checking against the document
Downloadable app	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 26, 2026

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