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OpenScan vs FairScan: catalog facts
OpenScan	FairScan
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the GPL-3.0, with no ads or paid upgrade.
Android	Android
Turns photographed pages into shareable documents.	Automatic detection, crop and enhancement OCR for searchable PDFs
Scan quality depends on lighting and camera capture.	Android only Deliberately simple, with few advanced editing options
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	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 22, 2026	Official website Full listing and sources Checked October 2, 2026

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