The easiest network monitor and firewall for Mac

See all network connections — block any app from going online

Powerful privacy for your Mac, usable by anyone

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

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.

Works with macOS 10.10 and newer, including Catalina.

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

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

Did you know that when Photoshop launches, up to 7 different processes connect online?

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 and executables
In-memory 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.

Works with macOS 10.10 and newer, including Catalina.

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.

Works with macOS 10.10 and newer, including Catalina.

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