BabyFree - Baby Monitor is the most popular parental control application for Android devices.

It allows you to monitor your child's camera and hear their voice, even when they're sleeping. You can see your child on the screen of your smartphone or tablet and talk to them, no matter where they are.

It provides an interface that is simple to use. Just install the app and open it. You can then connect to your child's camera or microphone, and use the app to control it. You can turn it on or off, set the frequency and volume, and even set a password.

This application is the best choice for parents who want to keep a constant check on their child.