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PlugSpy provides basic protection for your MacBook.

Plug-Spy is an instant warning system for your MacBook in case that someone try to take it away or is entering a wrong password in the standard OS X login panel. It's easy to setup and integrates seamlessly with Mac OS X and the "Find my Mac" Apple offers with iCloud.

There is no additional password or shortcut you have to remember. Plug Spy auto activates when your screen is locked and starts an annoying high volume alert sound and sends a Growl notification when your MacBook gets unplugged from the MagSafe power adapter.

With access protection enabled, more...

What's New

Version 1.4.1:
  • Fix: Sandboxing issue in license panel
  • Other bug fixes and improvements.


  • OS X 10.7 or later

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PlugSpy User Discussion

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rambothecat Member IconReview+3

Ok so it does what it says it will do. Sound is pretty loud and would definitely catch peoples attention. Fatal flaw though is that you can just turn the laptop off within 5 seconds by holding down the power button and the sound will stop. Also turning off the laptop doesnt set off the sound so defeats the whole program.

It takes snapshot but you cant do much with them as they're on your laptop which probably got stolen.

I'm going to stick with prey http://preyproject.com/ which is free and has more features.

One last point is that you shouldn't be stupid enough to leave you laptop unattended without it being locked up in any place where someone might steal it. That is just dumb.

Reply4 replies
Version 1.2.2
Celmaro (Developer)

I will give you some ideas and point out the differences between Plug Spy and Pery.


If you are clever, use "Find My Mac" and not third-party software to track your MacBook. If you want some more security use Plug Spy to get instant notifications when some one try to access your MacBook.


- Plug Spy is a Instant Warning System and integrates seamlessly with Apple iCloud "Find My Mac".
It adds additional security features to your system and don't try to replace them.

- Plug Spy sends an immediate notification on your iPhone when someone try to access your MacBook. It all happened when you can be sure that your Mac is still connected to the internet.

- Plug Spy is not visible and integrates full in the system. If you send only notifications and do not use the alert sound the person stealing your MacBook will not even realize that you aware of him.

- You can use Plug Spy to get notified when someone try to login on your Mac and enter a wrong password too.

- Why should one switch of the Mac by holding down the power key if he don't know that a warning system is running. If it would be possible to deactivate this functionality it would be a huge problem if you have to hard reset your Mac. There is no Application out which can do this.

- Apple iCloud "Find My Mac" offers exactly the functionality of Pery.

- Find My Mac" is even better since it integrates deeply in the OS X system. Apple has made the concept complete by allowing to login with a guest account and using the internet.

- I never would trust on a third-party application which run in the background and track my Mac.
( Consider why it's free and who guaranties you that they don't track all your movements even if you did not activate it)

- If your MacBook will not be switched on or connected to the internet, Perry will not work.

- If the Mac get reinstalled the Pery game is over.

- Pery only can track your Mac when a user is logged in your system and have access to all your data. Would you really appreciate this.


Prey vs Find my Mac vs Plug Spy

Price: Free, Free, $2.99
Requires Internet Connection: Yes, Yes, Only for notifications
Geolocation: Yes, Yes, No
Webcam Image Capture: Yes, No, Yes
Report IP: Yes, No, No
Screenshots: Yes, No, No

The main thing is that with prey and iCloud all this info is available remotely. I have had a laptop stolen working abroad and got it back. I got a picture of the guy and his IP address, turns out it was a dodgy IT shop selling stolen wares. Yeah it was very lucky but its better than nothing.

I just don't understand why anyone would leave their $1500 laptop unattended to go the toilet. It will be gone when you come back, whether it makes a noise when you unplug the power or not.

Celmaro (Developer)


I assume that you didn't understand until now what's Plug Spy for.

I have mentioned that Plug Spy is an addition to "Find My Mac" and you start with a compare ?

Consider that you will need a Pery Pro account which cost you at least $5 per month to use the whole functionality ( $60 per year ).

Either way, there are many situations where you will not bring your Mac Book with you on the toilet and with Plug Spy you will feel some better as you will be instantly notified on your iPhone if someone is dealing with your Mac and you have the chance to take action.

Not sure what I would do with an IP address if my Mac Book got stolen ?


For instance, developer, with an IP address and a legitimate complaint to the competent authorities, a judge can do investigations on the IP "current" user and maybe you can get back the stolen thing.

In this way itworks in my country.

Stephen_Fry Member IconComment+79

I guess this is only handy when you have shop selling Macbooks. Otherwise useless?
Free ok .. paying .. no

Reply1 reply
Version 1.1

Or if you're in a library or coffee shop or reasonably safe environment and you want to feel more assured that if you get up and step away for a second, your laptop won't be gone when you come back. I think it's more practical than you suggest.

(Btw I'm changing your review to a comment since it's not an actual review of the app, just feedback on its idea.)

BigJohnson Member IconComment+171

This should be a free app.

You can use UnPlugged for free http://www.macupdate.com/app/mac/21158/unplugged.

UnPlugged worked fine for me on Snow Leopard, but I haven't used it since upgrading to Lion. Too bad it's deadware (not updated since '07).

Reply1 reply
Version 1.3
Celmaro (Developer)

The only functionality you will get with UnPlugged is that it detects if your MacBook is connected to the MagSafe adapter or not.

Plug Spy is meant to protect your MacBook and offers additional functionality. If you are interested you can read all this in the product description on our website.

Celmaro (Developer) Member IconDev+11
Celmaro (Developer)

This app is currently in beta.

Please give us feedback how it work for you.



Reply0 replies
Version 1.0.1
user icon+2
Version 1.4.1
user icon+2
Version 1.4
> 4 3


Current Version (1.x)


Downloads 1,607
Version Downloads 82
License Shareware
Date 03 Jul 2014
Platform Intel 64 / OS X
Price $2.99
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