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Cốc Cốc vs Firefox: catalog facts
Cốc Cốc	Firefox
Free Free to download; the company earns money from advertising and search.	Free Free software from a non-profit-owned foundation. Mozilla sells separate subscription…
Windows, macOS, Android, iOS	Windows, macOS, Linux, Android, iOS
Built-in ad blocking and video downloading Vietnamese language tools and translation	Total Cookie Protection stops cookies following you between sites An engine that is not Chromium, which matters for the health of the web
Interface and support mainly in Vietnamese Proprietary, with a business built on advertising	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
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

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