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Scholarcy vs ChatPDF: catalog facts
Scholarcy	ChatPDF
Freemium Free to start, with paid plans.	Freemium Free to use, with a paid Plus upgrade.
Web, Browser extension	Web
Summaries as interactive flashcards Imports from Zotero, Google Drive and YouTube	Answers cite the passages they come from Folders for chatting across several files
Web service, needs an internet connection Full features require a paid plan	Documents are processed on a remote service Chat history is only saved after signing up
Web application, Browser extension	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
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.