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PDF Expert vs Nitro PDF Pro: catalog facts
PDF Expert	Nitro PDF Pro
Freemium Reading and basic annotation are free. Editing features require a paid plan.	Paid A paid licence or subscription is required after the trial.
macOS, iOS	Windows, macOS
Genuine text and image editing inside the PDF, not just annotation Very fast on large documents, with a polished Apple-native interface	Office-style interface with strong Word and Excel conversion Editing, OCR, redaction and signing in one licence
macOS and iOS only Editing, OCR and conversion require a paid subscription or licence	Paid licence with no free tier beyond a trial Windows and macOS only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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