The easiest firewall & network monitor for Mac

Radio Silence lets you find and block apps that try to phone home

Powerful privacy for all Macs & users

Radio Silence works with all kinds of Macs, and you don't have to be a network expert.

  • Works with macOS Tahoe
  • Works with both Apple Silicon & Intel
  • Installation takes less than a minute

Lightweight, fast and 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 menu bar
  • No effect on your Mac's performance
Download free trial Buy now for only $9

Safe 30-day guarantee: If you’re not 100% happy, you get your money back. No questions asked.

For macOS 10.15 or newer. Works with Apple silicon & Intel.

It is perhaps the easiest firewall I've ever used.

Macworld

“Quintessential Mac” is a perfect description of Radio Silence.

John Gruber (Daring Fireball)

Do you know which apps phone home? Radio Silence does.

See exactly what's going on

Radio Silence's network monitor shows you every network connection in real time.

If you find a misbehaving app, you can block it with a single click.

Radio Silence exposes everything

Find the hidden helpers and background processes apps use to make connections:

  • Helper apps you might not know about
  • Invisible background processes
  • Daemons, XPC services, and more
Download free trial Buy now for only $9

Safe 30-day guarantee: If you’re not 100% happy, you get your money back. No questions asked.

For macOS 10.15 or newer. Works with Apple silicon & Intel.

A lot of apps secretly check in with the mothership behind the scenes without asking your permission. If you'd prefer they didn't, Radio Silence can solve your problem hassle-free.

Lifehacker

People like Radio Silence because it solves their problems better, faster and cheaper

Do other firewalls get fan mail?

Radio Silence is truly an app for the Mac. Simple and elegant. I switched from Little Snitch and it's been wonderful!
Awesome app.
I just bought Radio Silence and love it!
It does exactly what I was looking for! Thank you again for a fantastic product!
A really nice app!
Your software is awesome!
WOW... you guys ROCK!
This app is awesome and easy to use, thank you!
I love your app Radio Silence. It's great in the same way Apple-made apps are great: fantastic minimalism, great interface, no-nonsense.

Radio Silence takes care of all the tricky network details for you

Radio Silence is built on years of real-world experience and customer feedback.

Instead of making you twiddle with settings, it simply does the right thing.

  • Child processes of blocked apps are automatically blocked too
  • Blocked apps can’t access the network, but can still talk to local processes
  • …and many more things you thankfully never have to think about
Download free trial Buy now for only $9

Safe 30-day guarantee: If you’re not 100% happy, you get your money back. No questions asked.

For macOS 10.15 or newer. Works with Apple silicon & Intel.

A hassle-free, and cheaper, alternative to its cousin Little Snitch.

Love for Tech