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ChatPDF vs Petal: catalog facts
ChatPDF	Petal
Freemium Free to use, with a paid Plus upgrade.	Freemium Free to start, with paid options for more use.
Web	Web
Answers cite the passages they come from Folders for chatting across several files	Answers cite the source documents Document storage with automatic metadata extraction
Documents are processed on a remote service Chat history is only saved after signing up	Documents are stored in Petal's cloud Requires an account
Downloadable app, Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 26, 2026

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