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