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

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