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Firefox vs Ecosia Browser: catalog facts
Firefox	Ecosia Browser
Free Free software from a non-profit-owned foundation. Mozilla sells separate subscription…	Free Free to download and use.
Windows, macOS, Linux, Android, iOS	Android, iOS
Total Cookie Protection stops cookies following you between sites An engine that is not Chromium, which matters for the health of the web	Ecosia search integrated in the address bar Automatic cookie preferences and unsafe site warnings
A small number of sites are still built and tested only against Chromium Mozilla’s revenue comes largely from a search deal, which shapes some defaults	Built around Ecosia search and its ad-funded model Privacy features are lighter than hardened browsers
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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