Apps similar to DataCever include NetGuard, which is open source with a free version. Other options are Little Snitch, OpenSnitch, Little Snitch Mini and ZoneAlarm Firewall. In total there are seven Firewalls like DataCever for Mac, Windows, Linux, Android and iPhone.
Offers detailed per-app internet control for Android with no root required, blocks Wi-Fi and mobile connections, supports IPv4/IPv6, privacy-focused, usage logging, system app blocking, tethering support, various notification settings, and material themes.
Netherlands
EU
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
AustriaEU
GNU/Linux firewall enabling interactive outbound network filtering, outbound application control, blocking of ads and malware domains, centralized GUI node management, input policy configuration, SIEM integration, real-time alerts, and user-level rule customization.
ItalyEU
As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.
AustriaEU
Provides two-way firewall protection by blocking unauthorized network access, detecting intrusions, hiding devices from threats, stopping viruses, spyware, and data theft, offering real-time alerts, customizable rules, and simple setup with light system impact.
United States
Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.
FinlandEU
Outbound firewall for apps, blocking apps from accessing internet. Useful for reducing data usage when tethering to mobile data, or on a slower wifi connection.
Switzerland
