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Quad9 Connect vs Intra: catalog facts
Quad9 Connect	Intra
Free Free and open source; the Quad9 DNS service is also free.	Free Free on Google Play, with source code published on GitHub.
Android	Android
Official app from Quad9 Works on Android and ChromeOS	Encrypts DNS to bypass DNS-based censorship Choice of resolver, including your own server
Tied to the Quad9 DNS service No iOS or desktop version	Android only Does not block ads or trackers on its own
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-or-later	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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