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FairScan vs CamScanner: catalog facts
FairScan	CamScanner
Free Free and open source under the GPL-3.0, with no ads or paid upgrade.	Freemium Free to download, with paid features on top.
Android	Windows, macOS, Android, iOS, Web
Automatic detection, crop and enhancement OCR for searchable PDFs	Automatic background removal, cropping and straightening OCR in 41 languages
Android only Deliberately simple, with few advanced editing options	Relies on cloud sync for cross-device access Proprietary, with features split between free and paid tiers
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0	License: Proprietary
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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