Monitor & block apps that make unwanted network connections

Radio Silence is a firewall and network monitor for Mac

The missing firewall from OS X

Radio Silence lets you keep a list of apps that aren't allowed to go online.

  • Protect your privacy
  • Prevent apps from phoning home
  • Save on bandwidth and data charges

Radio Silence is completely invisible

The firewall automatically loads on startup and needs no attention or screen space.

  • No annoying pop-ups
  • No clutter in your status bar
  • No hit 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.

Requires Mac OS X 10.10+.

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.

Requires Mac OS X 10.10+.

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?

I love your app Radio Silence. It's great in the same way Apple-made apps are great: fantastic minimalism, great interface, no-nonsense.
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!
I've been using Radio Silence for a while now and wanted to say thanks. It's cool!
This app is awesome and easy to use, thank you!

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.

Requires Mac OS X 10.10+.

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

Love for Tech