Pick PDF.ai if
readers who will stay on Hobby $0 (1 PDF, 100 questions), then buy Pro at $10/month billed yearly when they need 100 uploads and 1,000 questions.
Read the PDF.ai pagePDF.ai vs PDF Expert
Our take
Pick PDF.ai if readers who will stay on Hobby $0 (1 PDF, 100 questions), then buy Pro at $10/month billed yearly when they need 100 uploads and 1,000 questions. 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.
Best for
PDF.ai PDFs metered in uploads and questions
PDF Expert Edit-and-sign you start at a public $
Free plan
PDF.ai $0 · 1 PDF upload. 100 questions / month. OCR 2 pages/file. 10 MB. Basic model. Chrome extension. Basic web audio
PDF Expert No free plan
Lowest paid
PDF.ai Pro $10/mo yearly
PDF Expert Yearly Premium $79.99
Next step up
PDF.ai Ultimate $20/user/mo yearly
PDF Expert Lifetime $139.99
Watch out
PDF.ai Hobby is one PDF
PDF Expert Lifetime is Mac-only
Last checked
PDF.ai 2026-10-22 · pdf.ai/pricing
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