The aim of this study is to measure the usability aspects of Management Information System mobile application in terms of effectiveness, efficiensy, and user satisfaction by using performance measurement techniques, usability questionnaires and retrospective think aloud. Management Information System application is an internal mobile application that has functions to exchange information, fill daily absences, apply for leave and fill in the daily work journal of the Ministry of Justice and Human Rights employees. Until today, the mobile application of Management Information System has not been evaluated yet using the level of usability. This research was conducted by measuring the level of effectiveness, efficiency, satisfaction and retrospective think aloud. Due to the limitations of this study, researcher only gain 20 respondents who were all employees of Sukamiskin Correctional Institution within questionnaire. In addition, respondents also filled out the questionnaire given. Based on the results obtained the effectiveness level reached 100% and all respondents expressed satisfaction with mobile application of Management Information System. But in terms of efficiency needs to be more improved. And the results of the retrospective think aloud are still some improvements from the features and reduction of icons that appear on the screen. The results showed that using performance measurements and retrospective think aloud techniques had a significant effect on user satisfaction in sukamiskin correctional institution. With this techniques also shows the level of employee ability to complete tasks in the application does not fail.