Queris MES Mobile is an application dedicated to machine operators that supports daily work with the Queris MES production execution system. It makes working with the system much simpler and more convenient. It allows for the registration of production events from anywhere, improves the precision and quality of data entry, and provides access to production information at any time and place. Queris MES Mobile does not restrict the mobility of operators, saving them time and making their work more flexible. Additionally, the application reduces production handling costs, as it is a much cheaper alternative to expensive operator panels.