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ISO Image Writer vs Bootqt: catalog facts
ISO Image Writer	Bootqt
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL-3.0 licence.
Linux	Linux
Single-purpose tool for writing ISO images to USB Graphical alternative to dd	Few steps: select drive, select image, write Handles both ISO and IMG files
Fewer options than full-featured USB writers Linux build on Flathub only, according to the research	Linux only for now Basic feature set compared with tools such as Ventoy
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
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.