Near Lock is a program designed for Mac that provides you with an innovative and efficient way to lock your computer while you're away from it. This application might come in handy to people who wish to prevent other unauthorized users from accessing the data within their Macs.
After you install the iOS version of this tool on your iPhone and activate your Bluetooth, you can launch Near Lock on your Mac. Then, your mobile phone connects to your computer and you can start configuring the program's settings (set the distance on which your Mac should be locked/unlocked, select Launch At Login option, etc.).
An important aspect is the fact that you don't require much computer experience in order to work with this Mac tool. The application is very simple to configure, on both iPhone device and Mac. Furthermore, the program uses a very small amount of CPU resources while sitting on your Menu Bar, even when your iPhone is connected to your Mac.
Another good thing about this tool is that it immediately locks your Mac once you walk away from it with your iPhone.
All in all, I'd say it's definitely worth installing Near Lock on your computer. This application is very simple to handle and works on various iOS and Mac OS X devices.