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Qrca vs Binary Eye: catalog facts
Qrca	Binary Eye
Free Free and open source under the GPL-3.0+.	Free Free and open source under the MIT licence, with no ads.
Linux, Android	Android
Both scans and generates QR codes Runs on Linux desktops and Android	Reads a wide range of 1D and 2D barcode formats Handles inverted codes and both orientations
Scanning needs a camera Narrow single-purpose tool	Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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