Is there a cloud-based parental control program?

Question

linux

Situation: the child uses a Linux computer, a Windows computer, an Android phone.
It is necessary to limit the total time spent and / or set the time of breaks. In case of exceeding the time, you can simply log out from the computer, and from the phone - limit the programs that are running to the white list. The program should keep data on the time spent at the computer on its server in order to take into account the time, regardless of which device and where the child is located. The Internet is in all cases, there is an opportunity to raise your server software.
PS. Please refrain from giving advice on raising children.

Answer 1

https://www.qustodio.com ( Overview )

Answer 2

Try https://www.kaspersky.com/safe-kids?campaign=kl-ru_...