The use of android application technology has advanced rapidly in recent years, making it one of the alternative media for distributing information in a variety of industries, including e-commerce, that consumers may access at any time and from any location. The Bintang Cash & Credit store in Palembang is one of the stores that has already used the Android application. In EUCS there are seven variables: content, accuracy, format, ease of use and timeliness, security, and speed of response. The data of this research were collected by distributing questionnaires to 95 respondents using a random sampling technique. Furthermore, the data obtained were processed using SPSS version 25 software. The data analysis method used was a quantitative analysis method using validity and reliability tests, classical assumption tests, multiple regression tests, and hypothesis testing. From the results of this study, there is a positive influence on the satisfaction of users of the Bintang Cash & Credit application.