The easiest network monitor and firewall for Mac
See all network connections — block any app from going online
Powerful privacy for your Mac, including macOS Catalina
Radio Silence lets you keep a list of apps that aren't allowed to make network connections.
- Protect your privacy
- Prevent apps from phoning home
- Save on bandwidth and data charges
Radio Silence is completely invisible
The firewall is invisible and always active. You don't have to keep any windows open.
- No annoying pop-ups
- No clutter on your screen or dock
- No effect on your Mac's performance
Safe 30-day guarantee: If you’re not 100% happy, you get your money back. No questions asked.
Works with macOS 10.10 and newer, including Catalina.