The application allows remote control of the NEXU programmable thermostat through a smartphone. With this application, the user will be able to know the temperature inside the home, set the heating or switching on of the heating system manually or automatically, switch on or off the chronothermostat or program the actions for each day of the week. It also allows flexibility on the program set for unforeseen situations such as an exit or a return after the established time, it is possible to activate the Geolocation function, ensuring that the device takes into account our position with respect to the installation site and from here temporarily change the programing. Through this application you can: • Optionally program 4 or 6 daily scenarios, diversifiable for 7 days of the week. up to 6 daily temperature levels with 6 scenarios and up to 4 daily temperature levels with 4 scenarios • Copy a daily program to other days of the week with the COPY function; • Select the Automatic, Temporary Manual or Permanent Manual (thermostat) option. • Set the temperature from +5 ºC to +35 ºC • Extend the current stage time up to 3 hours • Switch off the chronothermostat (off or antifreeze temperature mode) during a holiday period. • Activate and manage the geolocation function to optimize consumption in relation to trips outside the home • Share the management of the chronothermostat with other users • Manage multiple chronothermostats installed in the same home in different places • Correct the reading of the measured temperature from -3.5 ° C to +3.5 ° C • Set the name of the controlled chronothermostat • Turn the chronothermostat on or off.