Home or away, our app gives full control over your home Internet security with your CUJO. See connected devices, get alerts when we block threats and manage your CUJO.

We monitor all devices connected to your network and detect whenever somebody attempts to penetrate your home. We analyze data entering and leaving your home to block hacks, viruses, and malware before they can do damage.

Criminals use phishing and other hacking techniques to perform crimes against kids and adults. Apart from financial crimes, they can stalk us, impersonate others, and more. CUJO keeps our families safer at home.

What’s New

Version 2.8

- Security updates
- Bug fixes
- UI and performance improvements

Ratings and Reviews

3.8 out of 5
36 Ratings

36 Ratings

Flighpilot ,

Great Product (Suggested Enhancements Though)

I'll start by saying that this product is great. It does exactly what it advertises however it may be too sensitive and therefore notified on several instances where it could otherwise be silent. Today alone I've received north of 15 notifications. To clear the app badge on my phone I have to go in there and read each, one at a time when most of them are threats based on advertisements nested in web pages. Instead you should be able to clear them by either swiping and selecting delete or selecting an edit button and then checking off which ones to mark as read and/or delete. When going into the app you should also be able to notify based on criticality vs. every incident type. Also be able to set a default view of your preferences around app configuration as well as adding more depth to notification options. On a scale of 1-10 I give the app a 7 around maturity. Well executed so far but has a way to go.

Defuera231 ,

Fantastic and desperately needed

So...I’m a whistleblower in corrupt South Texas. For the past five years, I have been the target of sustained, organized criminal hacking. I have a graveyard of computers in my attic. I have spent thousands of dollars on cyber security that always seemed to get breached by dedicated crackers. It’s been a nightmare. Apple has been slow to admit that criminal hackers have various ways to exploit vulnerabilities in Apple devices so when I read about Cujo, I decided I had nothing to lose. The device itself is very impressive and does exactly what it says it will do: it fights off attacks on and attempts to enter my network through the modem/router 24/7. And that’s no mean feat as crackers act like their freedom depends on them making sure they have control of my devices and communications (which, of course, it does). At any rate, organized attacks and exploits are occurring every 1-2 minutes and Cujo appears to catch them all. For the first time in a long time, I feel in control of my own network. Likewise, the customer support can’t be beat. Knowledgeable, polite, willing to do what it takes to get your network secured by Cujo. It’s very clear the techs understand the threats out there and are confident in Cujo’s ability to fight them. I couldn’t be happier with Cujo. Well done.

CristalSponge ,

The best smart firewall for consumers in market

After three months using the Cujo firewall it have detected over 60 security threats and risks in the devices connected to my wireless network. I highly recommend this device to improve the security of your home network. I would like the app would block internet access to all new devices discovered by default. Hopefully the future update to include this new feature.


105.2 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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