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AdGuard DNS vs Cloudflare 1.1.1.1: catalog facts
AdGuard DNS	Cloudflare 1.1.1.1
Freemium The public resolvers are free. Private DNS accounts with custom rules are paid beyond a…	Free Free to use.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS
Works through Android Private DNS with no app to install Supports DNS-over-QUIC as well as the usual encrypted transports	Backed by Cloudflare's large, fast global network 1.1.1.1 for Families option adds content filtering without extra software
Filtering happens on their servers, so they see your lookups Custom rules and statistics need a paid account beyond a small free tier	Filtering options are limited compared to dedicated DNS-filtering platforms Using a third-party resolver still means trusting Cloudflare with DNS query data
Hosted service	Downloadable app
Closed source	Closed source
License not stated	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 22, 2026

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