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

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