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Acutis Firewall vs Safe Surfer: catalog facts
Acutis Firewall	Safe Surfer
Free Free and open source, listed on F-Droid under the MIT licence.	Paid Paid service with a free trial.
Android	Android, iOS, Web
Filtering runs locally on the device Blocks adult, malware and dangerous domains	Router setup covers the whole home network Mobile apps protect devices away from home
Small, young project Uses the Android VPN slot, so it cannot run alongside another VPN	Paid subscription after the trial Browsing history is visible to the service
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: MIT	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 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.