Evaluation methods used to assess the usability of computer applications have long been an integral aspect of HCI research. Recently, as mobile devices such as smart phones have become widespread, various attempts have been made to evaluate and improve the usability of mobile Apps. Mobile Apps need to evaluate usability quickly and easily, as they have shorter planning and development time than general applications. Evaluating usability is to determine whether a mobile App is accurate, useful, and acceptable, and to address the usability issue of a mobile App. In this paper, we conducted usability evaluation method that can be used in the development stage of mobile App. To do this, we conducted a heuristic evaluation method involving experts on mobile Apps in actual use. The usability test resulted in major usability problems. The study of this paper is to measure the purpose of the mobile App, the problems it faces, and the usability evaluation of the mobile App.