Because it is safe and secure and has more features than other apps. If you have been using other injectors then you may see that it will unlock almost 100 plus skins for you but when it comes to NIX injector 1.81 it will unlock almost 400 plus skins for you. Besides all, it has skin-to-skin features through which you can change your old skin with a new one. And there are many more hot features that make this different from others.