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IronFox vs Vanadium: catalog facts
IronFox	Vanadium
Free Free and open source under the MPL.	Free The open-source browser is available without a license fee.
Android	Android
Hardened defaults and uBlock Origin built in, with no configuration needed Continues Mull's work under active maintenance	Hardening that goes beyond browser settings into the Chromium build itself Provides the system WebView, so other apps benefit too
Android only Hardened defaults break some sites until exceptions are made	Intended for GrapheneOS; it is not a general Android browser No extension support
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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