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

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