"Contact-Center of the Dnipro River" is a complex system for managing the appeals of citizens, for the convenience of which this mobile application was developed. With the mobile app you can:to formulate an application through a personal cabinet after registration;specify the problem location on the geographic information map;attach a photo to the appeal;send an appeal, track and control its execution;to track the statistics of hits to "Contact Center of the Dnipro River"see information about repairs and emergency situations in the city of Dnipro and at your own address;view the history of your own conversations.