Track the time a child spends on the Internet while at school

[Apuroos2177]

Advantages:

precise geolocation;
travel history;
sounds around children (the function works if the child has an Android phone);
loud signals;

the ability to set simple tasks and help the child complete them.
What smartphones does it work on: Android, iOS.

How much does a subscription cost: from 59 to 1690 rubles.

Enlarge image baby tracking app
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Kaspersky Safe Kids
Kaspersky Lab employees did not stop at protecting computers mailing lists by zip code company and went further - they created a tracking program. The program can be installed on a smartphone, tablet and PC.

Advantages:

history of requests and website visits;
blocking of prohibited content;
installation of safe and dangerous places;
tracking of charge level;
recommendations from psychologists.
What smartphones does it work on: Android, iOS.

How much does a subscription cost: from 299 to 1790 rubles.

Kroha
Control over the movements of children in populated areas and protection against threats from social networks, video hosting and other sites. One group can contain up to five devices.