Compare software

Qrca vs QR Scanner: catalog facts
Qrca	QR Scanner
Free Free and open source under the GPL-3.0+.	Free Free and open source under the MIT licence.
Linux, Android	macOS, Linux, Android
Both scans and generates QR codes Runs on Linux desktops and Android	Scans and generates QR codes in one app No ads and no personal data collection
Scanning needs a camera Narrow single-purpose tool	Small project with limited development activity Only covers QR codes
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 1, 2026

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