Emergency Reporting Mobile Application is an android-based application that was built to provide convenience to the public in reporting emergency conditions. This application is divided into 2 end-user applications, there are the sender application and the receiver application. The sender application pages consist of the registration page for new users, pattern lock as security, and the preferred service page. The receiver application pages consist of the login page, inbox page, history page and profile of main service office page. The application has been developed and an assessment of the quality of the application is needed to improve the use of the application. Therefore, this study aims to evaluate applications on the sender side. The evaluations of the analysis result are needed as recommendations for future application development. The evaluation of the application use usability instruments which consist of components of effectiveness, efficiency and user satisfaction. The research was conducted by distributing the SUS (System Usability Scale) questionnaire to 20 respondents and each statement was given a weight based on the Likert scale. The results showed that the application was in the excellent category and could be accepted by the community.