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NAPS2 vs Scanner Pro: catalog facts
NAPS2	Scanner Pro
Free The open-source application is available without a license fee.	Freemium A limited free tier is available. Full features require a paid subscription.
Windows, macOS, Linux	iOS
Works with nearly any scanner protocol on Windows, macOS and Linux Built-in OCR produces searchable PDFs with no extra step	Workflows automate naming and delivery after each scan Strong automatic correction and OCR quality
Deliberately simple; it is not a document management system OCR language packs must be downloaded separately	iOS only Requires a subscription for OCR and workflows
Downloadable app	Downloadable app
Open 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.