GeliosService is a mobile application for integrators of Gelios tracking system, which allows managing of user accounts and objects via smartphone. The App is designed not only for administrators of Gelios system, but also for masters who perform installation of GPS / GLONASS equipment and various sensors. This application will help specialist to check the operation of equipment and set up necessary parameters. GeliosService features: • Accounts management • Creating and editing of user accounts; • Appointment of administrators; • Payment mode selection and adding unit price • Account block • Units management • Creating and editing of tracked units • Access management • Statistics of messages for a certain period of time (from one hour to three days) with displaying of transmitted parameters of equipment. • Adding and editing sensors by type, indicating the parameters of unit from message, as well as completing correspondence tables.