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Supermium vs Arctic Fox: catalog facts
Supermium	Arctic Fox
Free Free to download from its GitHub repository.	Free Free, with the source code published on GitHub.
Windows	Windows, macOS, Linux
Current Chromium engine on Windows XP through Windows 8.x Tracks recent Chromium versions	Runs on old systems such as Mac OS X 10.6, Windows XP and PowerPC Linux Backports security fixes from Firefox and TenFourFox
Windows only Maintained by a small team, so security fixes may lag behind Chrome	Based on an old Pale Moon engine, so modern sites may not render well Often has to be built from source on less common platforms
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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