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DuckDuckGo Browser vs Avast Secure Browser: catalog facts
DuckDuckGo Browser	Avast Secure Browser
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free to download and use.
Windows, macOS, Android, iOS	Windows, macOS, Android
Tracker and ad blocking, cookie consent handling and email tracker removal are on by default rather than being…	Ad blocking built in Anti-tracking protection on by default
The desktop version is Windows and macOS only, and the extension support is far narrower than Chrome or…	Proprietary and tied to the Avast product range Few technical details published on the product page
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-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 23, 2026

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