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Adobe Scan vs FairScan: catalog facts
Adobe Scan	FairScan
Free Free to download; advanced PDF features need a paid Acrobat Pro subscription.	Free Free and open source under the GPL-3.0, with no ads or paid upgrade.
Android, iOS	Android
Automatic boundary detection and perspective correction Built-in OCR for searchable PDFs	Automatic detection, crop and enhancement OCR for searchable PDFs
Combining and converting files requires paid Acrobat Pro Mobile only	Android only Deliberately simple, with few advanced editing options
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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