Songgolangit FM Radio (SFMR) is one of Ponorogo pride information and solutions. Based on previous research, a few months ago, SFMR has an Android Streaming Apps launched on July 29, 2019, in the Google Play store (https://play.google.com/store/apps/details?id=com.amoled.radiosonggolangit&hl=en) As a newly launched application, usability testing needs to measure how easy to use its user interface. The research aims to measure ease of use using usability testing of SFMR based on five-factor: learnability, efficiency, memorability, error, and satisfaction. The usability testing used a questionnaire by nine people from five division in SFMR. The usability testing gets an average total score with a value of 88% by Likert scale. The error factor receives the lowest rating due to incomplete information about the SFMR. From all overall calculation can be concluded that it can be accepted and appropriately used by the SFMR management. In the next research, it can improve the error factor based on respondents’ comments.