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Arctic Fox vs PowerFox: catalog facts
Arctic Fox	PowerFox
Free Free, with the source code published on GitHub.	Free Free to download; described by the project as open source.
Windows, macOS, Linux	macOS
Runs on old systems such as Mac OS X 10.6, Windows XP and PowerPC Linux Backports security fixes from Firefox and TenFourFox	Runs on PowerPC and Intel Macs back to Mac OS X 10.3 Modern TLS 1.3 and cipher support on unsupported systems
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	Only for older Mac OS X and macOS releases Older hardware limits performance on heavy modern sites
Downloadable app	Downloadable app
Open 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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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