Downloadable mobile applications for adding, monitoring, controlling and removing networked devices in the Internet of Things (IoT); downloadable mobile applications for adding, monitoring, controlling and removing networked devices to and from home wireless networks; downloadable mobile applications that enable subscribers to utilize, manage and control smart home networked devices, namely, light bulbs, on/off light switches, electric light dimmers, electronic thermostats, doorbells, locks, deadbolt locks, plug-in connectors, network switches, and security cameras; downloadable mobile applications for activating or restarting networked modems, routers and gateways in the Internet of Things; downloadable mobile applications for testing and fixing connectivity problems with home wireless networks; downloadable mobile applications for testing the speed of network connections between networked devices and networked modems, routers or gateways via wireless networks; downloadable mobile applications for monitoring the screen time of users of home wireless networks; downloadable mobile applications for pausing and restarting access of users to devices that are networked via home wireless networks; downloadable mobile applications for providing guests with access to home wireless networks; downloadable mobile applications for providing identifying and blocking online security risks to home wireless networks; downloadable mobile applications that enable subscribers to view and pay their cable, Internet access, telephone and home security monitoring bills