Mac App Blocker is a utility that might come in handy if you share your computer with other users. You can use this program to prevent other people from accessing your Mac tools while you're away from your computer.
The tool might also prove to be of good use to parents who wish to prevent their children from using certain programs, such as the default web browser or games.
The first thing you need to do after installing and launching Mac App Blocker on your computer is to provide a master password. This password will be entered to access and use the utilities that are protected by Mac App Blocker. Make sure it's a password that can easily be remembered as the developer of this tool doesn't provide you with a solution if you forget it.
A great advantage is the fact that you can specify various types of rules for the protected tools. For example, you can configure the program to prevent user access after it was inactive for the X amount of time.
All in all, Mac App Blocker is a great solution for preventing other people from accessing your programs. It's easy-to-use, feature-rich, works perfectly and comes with a reasonable price.