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QR Scanner vs Barcoder: catalog facts
QR Scanner	Barcoder
Free Free and open source under the MIT licence.	Free Free and open source under GPL-2.0-or-later.
macOS, Linux, Android	Linux
Scans and generates QR codes in one app No ads and no personal data collection	Creates both barcodes and QR codes Runs locally instead of through a website
Small project with limited development activity Only covers QR codes	Linux only Little documentation about supported formats
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it 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.