Is there an app to put an android phone into kids mode to make it ‘safe' for our children?

I have not personally tried them as I am not using an android phone but here are a few recommendations swear upon by parents: Parental Control https://play.google.com/store/apps/details?id=com.appgranula.kidslauncher KIDOZ: Discover the Best https://play.google.com/store/apps/details?id=com.kidoz Kids Place - Parental Control https://play.google.com/store/apps/details?id=com.kiddoware.kidsplace