Pick ChatPDF if
students and analysts who want Q&A on a PDF they already have.
Read the ChatPDF pageChatPDF vs PDF Expert
Our take
Pick ChatPDF if students and analysts who want Q&A on a PDF they already have. Pick PDF Expert if apple users who will buy Yearly US$79.99 after they edit a first page + sign a form — or Lifetime US$139.99 if they only need Mac forever, not ChatPDF Plus $15.99/mo first unless they want browser Q&A, and not if they need a Windows editor. Skip ChatPDF if people who need a citation graph (Connected Papers) or a
ChatPDF
signed-out PDF chat
Best for
ChatPDF Talk to one document in the browser without an account
PDF Expert Edit-and-sign you start at a public $
Free plan
ChatPDF $0 · to start a chat; history save wants Sign up. Exact Free page/question caps are not printed on the modal
PDF Expert No free plan
Lowest paid
ChatPDF Plus (yearly) $6.42
PDF Expert Yearly Premium $79.99
Next step up
ChatPDF Plus (monthly) $15.99
PDF Expert Lifetime $139.99
Watch out
ChatPDF Dollars live on the Plus modal
PDF Expert Lifetime is Mac-only
Last checked
ChatPDF 2026-10-20 · chatpdf.com
PDF Expert 2026-10-23 · pdfexpert.com/pricing
Which one, then?
Pick PDF Expert if
apple users who will buy Yearly US$79.99 after they edit a first page + sign a form — or Lifetime US$139.99 if they only need Mac forever, not ChatPDF Plus $15.99/mo first unless they want browser Q&A, and not if they need a Windows editor.
Read the PDF Expert page