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Midori vs Helium: catalog facts
Midori	Helium
Free Free to download and use. Some Astian services are paid.	Free Free and open source, supported by sponsors.
Windows, Linux, Android	Windows, macOS, Linux
Ad blocking and tracking protection enabled without installing extensions	Ad, tracker and cookie banner blocking on by default No telemetry or background requests without consent
Small team behind a Chromium fork, so security updates depend on their release pace No macOS build	Younger project than established privacy browsers Built on Chromium, so it follows Google's engine decisions
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License: GPL-3.0
Not stated if an account is needed	No account 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.