A free program for Android, by RV AppStudios.

When you’re a parent, you want to keep your kids safe from things they might find annoying or scary. And when they get a little bit older, they want to use their phones and tablets all by themselves, so you’ll inevitably have to give them the freedom to do so. The good thing is that you don’t have to get angry or sad about it. There’s a better way to deal with the situation, and it’s called Kids App Lock. Kids App Lock is an application that allows you to block certain apps, so your kids won’t be able to open them unless you give them the password.