The goal of this project was to develop a mobile Android application and a web application for the needs of catering establishments in the “ Bars“ category. The mobile application is intended for waiters to facilitate the process of creating and managing orders and organizing the facility's beverage menu. On the other hand, the application enables the owners of catering establishments to have a comprehensive view of the relevant information as well as updating facility information and mobile phone numbers that employees use to log in. Through the web application, waiters can view the created orders. They have the option of rejecting the order or setting the order in a ready state, both cases will result in notifying the waiter who initially created the order. This kind of work results in quick communication and coordination among the staff, which fulfills the main purpose of the mobile and web application. The following text will describe the technologies that were used for the development of the applications. Then, the connection of applications and individual functionalities according to different user roles will be explained. It will also explain the programming solution of the project, the functionality of the mobile Android application, which is divided into two parts, one part representing the side of the waiter, and the other part representing the side of the owner of the catering establishment. This is followed by a description of the functionality of the web application, which enables the object registration in the application system and the orders organizatio