This feature-rich parental control application is useful and not expensive. Qustodio is loaded with many features which will easily monitor your target’s device. If you are wondering about Qustodio and its features, how good this parental app is, and whether it will help you track your child, then this Qustodio review will tell you the answer. Besides, you can use it on Nook, Kindle, iOS, Android, Mac OS X, and Windows. It lets you download this app for free and has a few premium plans as well that you can choose. It will let you manage, and protect your child’s device whenever and wherever you want to. You can use this software on your smartphone, desktops, or any laptops. What is Qustodio? Qustodio is a software tool which is built for parental control.