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OpenScan vs vFlat Scan: catalog facts
OpenScan	vFlat Scan
Free The open-source software is available without a license fee. Hosting, hardware and…	Freemium A limited free tier is available. Full use requires a paid subscription.
Android	Android, iOS
Turns photographed pages into shareable documents.	Curved-page flattening that ordinary scanner apps cannot do Removes fingers and shadows from the edges of captured pages
Scan quality depends on lighting and camera capture.	Free use is limited and the full feature set is a subscription Mobile only
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-3-Clause	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.