Luna Launcher - A powerful parental control & a kid's home screen & prevent kid phone addiction.
Cold Turkey - Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
Google Family Link - Help your family create healthy digital habits
Stay Focused - More suitable with Google Chrome, this service enables you ensure you do not waste precious time on updating Facebook status or chatting with people.
Kids Place Launcher - Android launcher with built in parental controls.
Freedom.to - Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.