How it plugs in
—Public API
NoOpen source
TrialFree tier
Signal on Personal firewalls5.9#11 of 17
Radio Silence is a firewall and network monitor for Mac that lets users block apps from accessing the internet.
Pricing
- PersonalOne-time purchase; no subscription required · For a single user · Multiple installs allowed$9 one-time
- TeamOne-time purchase; no subscription required · For your entire team · No seat limit$49 one-time
As radiosilenceapp.com lists them, checked 7 Oct 2026.
