Usability Evaluation for User Interface Redesign of Financial Technology Application

KoinWorks is one of financial technology in Indonesia that running its businesses with online peer to peer lending model based on mobile application. The number of KoinWorks mobile application users is increasing however there are still some obstacles along the way. Canceled order rates of KoinWorks are still quite high. In 2017, there are only 7,5% of the total users who actually did the transaction. In addition, the result of a preliminary study conducted on 114 respondents shows that nearly 75% of the users find it difficult to use the application. This study aims to evaluate the usability of KoinWorks mobile application, to analyze the existing usability problem, and to achieve a better usability interface design. Usability is measured using both quantitative and qualitative measurements. The quantitative measurement comprises user performance metrics such as task success, time on task and error that measure effectiveness and efficiency of the mobile application as well as saccade on eye tracking. The qualitative measurements include the System Usability Scale questionnaire (SUS), Questionnaire for User Interface Satisfaction (QUIS) and Retrospective Think Aloud (RTA). This study shows that KoinWorks mobile application has a poor performance and usability. Interface redesign was proposed and resulted in a better performance and usability.