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Little Snitch
Little Snitch
4.4
Little Snitch free download for Mac

Little Snitch

Alerts you about outgoing network connections.

Little Snitch overview

Little Snitch gives you control over your private outgoing data.

Track background activity
As soon as your computer connects to the Internet, applications often have permission to send any information wherever they need to. Little Snitch takes note of this activity and allows you to decide for yourself what happens with this data.

Control your network
Choose to allow or deny connections, or define a rule how to handle similar, future connection attempts. Little Snitch runs inconspicuously in the background and it can even detect network-related activity of viruses, trojans, and other malware.

What’s new in version 5.4.1

Updated on May 05 2022

  • This version fixes a bug where dialogs shown after activation of automatic profile switching and after entering a new license key did not contain any text.
View older Little Snitch updates

Information

License

Shareware

Size

38.1 MB

Downloads

1004583

App requirements

  • Intel 64
  • Apple Silicon
  • macOS 11.0.0 or later
Try our new feature and write a detailed review about Little Snitch. All reviews will be posted soon.

What customer like

Bug fixing

What needs improvements

Performance
Social media integration
Value

Little Snitch qualities

Value
1.0
Ease of use
1.0
Features
1.0
Reliability
1.0
Customer support
1.0
Write your thoughts in our old-fashioned comment
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0.0
(0 Reviews of )
There are no reviews yet
zlazkow
zlazkow
Oct 20 2021
5.3.1
0.0
Oct 20 2021
0.0
Version: 5.3.1
it's a world champion in downloads! over 1 Million ! wow!...and I thought Onyx was #1
Derekcurrie
Derekcurrie
Oct 18 2021
5.3
5.0
Oct 18 2021
5.0
Version: 5.3
v5.3.1 is out.
Satcomer
Satcomer
Aug 1 2021
5.2.2
0.0
Aug 1 2021
0.0
Version: 5.2.2
When I tried to pay for a license the web site payer would not take my valid payment credit card I used however my Bank says the payment went through! So where is my key and you need to speak to payout company!!!!
aforty
aforty
May 21 2021
5.1.2
0.0
May 21 2021
0.0
Version: 5.1.2
5.x has been horrible to use. I constantly run into cache corruption issues where certain sources just completely stop loading. There is a glaring where if you are a developer where Xcode compiled apps will constantly trigger dialogs even if previously allowed all. Just a complete mess. Avoid 5.x.
higherterrain-com
higherterrain-com
May 6 2021
5.1.2
0.0
May 6 2021
0.0
Version: 5.1.2
After upgrading to Big Sur 11.3 last week Little Snitch decided to stop working correctly and it started to block regular apps that I use like App Store, NetNewsWire, and MacUpdater. It didn't affect and browsers such as Brave or Chrome. What it did on a constant basis was block updating apps via the update procedure in the apps. I have tried to delete it via Trash and reboot but some components of the app with not delete and trying to find the uninstaller that is supposed to be someplace in a folder could never be found, rather they suggest you use the option key when opening the app, which still hasn't deleted the files and now have more junk on my SSD.
mailtje
mailtje
Apr 25 2021
5.1.2
3.0
Apr 25 2021
3.0
Version: 5.1.2
Getting expensive, using Lilu instead
Emile-b
Emile-b
Feb 25 2021
5.1
5.0
Feb 25 2021
5.0
Version: 5.1
5.1 corrupted image !
Derekcurrie
Derekcurrie
Feb 24 2021
5.1
5.0
Feb 24 2021
5.0
Version: 5.1
v4.6 is out, running ONLY on macOS 10.15 Catalina. It's the last of the v4.x series. v4.5.2 is the last version for macOS 10.14 Mojave and contains an important security patch.
j-gehrmann79
j-gehrmann79
Feb 8 2021
5.0.4
5.0
Feb 8 2021
5.0
Version: 5.0.4
killer
sherkoali870585
sherkoali870585
Jun 11 2020
4.5.2
0.0
Jun 11 2020
0.0
Version: 4.5.2
Little Snitch 4.5.2 + Serial number
F451
F451
May 28 2020
4.5.2
5.0
May 28 2020
5.0
Version: 4.5.2
A top must-have. I've owned a license to Little Snitch for so long I cannot even remember when I first started using it (sometime around when it was first released). Through the years the support has always been excellent as well as the product.
piquadratpi2
piquadratpi2
May 26 2020
4.5.2
5.0
May 26 2020
5.0
Version: 4.5.2
It's simply the best! Never have had big problems with it and it rescues me often in the past. A big thanks to the developers...
Derekcurrie
Derekcurrie
May 10 2020
4.5.1
5.0
May 10 2020
5.0
Version: 4.5.1
Dated April 22, v4.5.1 may have already been updated on your Mac. - - I have to point out that the recent Little Snitch versions have become more difficult to use from the user's perspective. That dings it one star in my review. However, if we're using Little Snitch in the first place, we've already invited in an amount of user hostility for the sake of having fine grained control over what our computer software is doing out on the InterWebs. Despite the increase in complexity, I've realized that the recent updates/versions provide an even finer grain of control, once you get over the added learning curve. I appreciate that. Now, if only that control was made easier again for the user to access and use via fewer clicks and more obvious options. - - All in all, this is one of my Mac's greatest asset applications.
Aargl
Aargl
Apr 9 2020
4.5
0.0
Apr 9 2020
0.0
Version: 4.5
I give you a nice trick I use (with Little Snitch or other similar app): block http for Mail.app (or other mail client), it will avoid displaying many useless images! (and incidentally save some bandwidth) Usually, the long-standing images of many newsletters are served through http and not https (don't ask me why) , I've just noticed that, and it also applies to many spammers (when they don't use Base64 images). This doesn't apply to serious websites, so it might give you a hint of how a given website is considering privacy... You can also apply more advanced filters on mail clients — I must say that I've always allowed full connections to them and was amazed of the unwanted connections (tracking) they do when I started filtering them. I think we always consider filtering for apps and browsers, not mail clients as they don't have security extensions such as uBlock, uMatrix, etc. What do you think? :-)
Macguruguy
Macguruguy
Apr 1 2020
4.5
1.0
Apr 1 2020
1.0
Version: 4.5
Doesn't load system extension properly. Developer is not shown in Security & Privacy Pref Panel under Allow button. Had to disable SIP and re-enable to get extension to load. Until developer fixes this problem, I will continue to give 1 star review.
Blamanche
Blamanche
Mar 30 2020
4.4.3
3.0
Mar 30 2020
3.0
Version: 4.4.3
I have used this app for a while. Then my computer was stolen. Then I found out that I would have to pay $50+ to install it on my new computer. Sorry but as much as I like the app, it's just not worth that much money. Plus, I must confess that it seems that the level of time investment necessary to make it work the way I would like is continuously increasing. There's no convenient way to tell what some of the callouts mean without much research and T&E. I have other things to do; I'm an engineer for christsake...LOL. If LS actually helped solve that problem and I do believe it can then it would be worth more to me but the current look up info is not very useful because it frequently finds nothing...
Macguruguy
Macguruguy
Mar 24 2020
4.4.3
1.0
Mar 24 2020
1.0
Version: 4.4.3
Current update to Mac OS 10.15.4 Catalina says that there is a legacy extension that will not work in future versions of Mac OS
rafabass05
rafabass05
Jan 18 2020
4.4.3
5.0
Jan 18 2020
5.0
Version: 4.4.3
muy buena esta aplicacion, es la mejor para monitorear todo el trafico de red en las macbook pro...
ocean442
ocean442
Nov 6 2019
4.4.3
5.0
Nov 6 2019
5.0
Version: 4.4.3
The first app I install on any new Mac.
Dhess01
Dhess01
Oct 8 2019
4.4.3
5.0
Oct 8 2019
5.0
Version: 4.4.3
Um, yeah. If you installed this after the Catalina upgrade, here is the terminal fix: When you install Little Snitch on macOS Catalina, you may get an error message “Little Snitch version mismatch detected” after restarting your Mac. This is due to a bug in macOS Catalina, sometimes failing to update the boot cache for the newly installed kernel extension. If you are experiencing this problem, please perform the following steps: Restart your system in macOS Recovery. Learn more If you have enabled FileVault to encrypt the contents of your system volume, you first have to mount that volume: Open “Disk Utility”, select your system volume in the sidebar and click the “Mount” button in the toolbar. Please be patient – mounting FileVault volumes may take quite a while. Once the volume is mounted, quit the “Disk Utility” application. Open Terminal from the Utilities menu in the menu bar. Enter the following command: touch "/Volumes//System/Library/Extensions" Note: Replace with the actual name of the volume on which macOS Catalina is installed (usually “Macintosh HD”) Wait about 10 seconds. Then choose “Restart” from the Apple menu in the menu bar to restart your computer. Shutting down can take up to a few minutes because the system is rebuilding the boot cache in the background. Note that during this time no progress indication is shown.
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