Pekanbaru Army Hospital as a health institution that has a strategic role in health services for military personnel and the people of Pekanbaru city still faces challenges in carrying out human resource management (HRM). This research aims to build a mobile-based medical HR management application using Flutter technology. This software development applies the Rapid Application Development (RAD) methodology which allows application development to be carried out in stages and iteratively, focusing on speed and flexibility, and for application testing using the black box testing method. This research produces a mobile-based HR management application with location-based online attendance features, medical performance monitoring for medical clusters, online leave applications, and e-file management. This application has been tested with Blackbox Test to ensure all functionality runs well and as expected. User Acceptable Test also shows that this application gets a satisfaction percentage of 84%, so it can be concluded that this application can be well received by users and is suitable for use.