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Genius Scan vs FairScan: catalog facts
Genius Scan	FairScan
Freemium A free version is available. Genius Scan+ and the Ultra plan are paid.	Free Free and open source under the GPL-3.0, with no ads or paid upgrade.
Android, iOS	Android
Reliable automatic edge detection and perspective correction Scanning and OCR happen on the device rather than in a cloud service	Automatic detection, crop and enhancement OCR for searchable PDFs
OCR, smart document names and cloud export need the paid tier 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 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.