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macUSB vs USBImager: catalog facts
macUSB	USBImager
Free Downloaded from GitHub releases or Homebrew, with an optional support link.	Free Free and open source under the MIT licence.
macOS	Windows, macOS, Linux
Downloads official macOS installers from Apple inside the app Handles legacy macOS installers on Apple Silicon	Writes compressed images without unpacking first Runs on Windows, Linux and macOS
macOS only, and requires macOS 14.6 or newer Licence of the published source is not stated in the research	Deliberately minimal feature set Writing to the wrong drive erases it
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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