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Safe Surfer vs NxFilter: catalog facts
Safe Surfer	NxFilter
Paid Paid service with a free trial.	Free Free for all uses, including commercial ones.
Android, iOS, Web	Self-hosted
Router setup covers the whole home network Mobile apps protect devices away from home	Per-user policies and reports with Active Directory integration Screen time control and data caps
Paid subscription after the trial Browsing history is visible to the service	Not open source More setup than needed for a single household
Downloadable app, Hosted service	Downloadable app, Self-hosted
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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