This paper presents designing application in store. The store still used a conventional system in which all items sold are still recorded by book and use 2-fold notes and it is recapitulated again for the report. The existing system is still possible for error, it still requires a long time during the process of finding data, as well as during the process of making report. This study aims to produce a faster, more accurate, and efficient sale transaction design application at the store. The method used in this research is by observation, interview, literature, analysis, design, program making. With this application design system is expected to help the sale transaction process in order users can process data quickly and can produce accurate information.