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AdGuard DNS vs Safe Surfer: catalog facts
AdGuard DNS	Safe Surfer
Freemium The public resolvers are free. Private DNS accounts with custom rules are paid beyond a…	Paid Paid service with a free trial.
Windows, macOS, Linux, Android, iOS	Android, iOS, Web
Works through Android Private DNS with no app to install Supports DNS-over-QUIC as well as the usual encrypted transports	Router setup covers the whole home network Mobile apps protect devices away from home
Filtering happens on their servers, so they see your lookups Custom rules and statistics need a paid account beyond a small free tier	Paid subscription after the trial Browsing history is visible to the service
Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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