This study aims to evaluate digital-based public services through the mobile application "SiMerah Koja" in fire and rescue services by the Jambi City government. Jambi City has a high population density that has a high potential for fire. One of the factors for the slow handling of fires is the lack of utilization of technology, so the Jambi city government is committed to creating effective and efficient services by digitizing public services. This research uses descriptive qualitative methods. Determination of informants in this study was carried out using purposive sampling technique, namely taking informants who were in accordance with the research focus. Data were obtained through interviews, observations, and documentation which were then analyzed by researchers. The results showed that the digitization of public services in fire and rescue services in Jambi city using the SiMerah Koja mobile application was still not optimal and experienced several obstacles. First, the lack of government socialization to the public regarding the SiMerah Koja mobile application. Second, the lack of digital literacy of citizens. Third, the quality of the SiMerah Koja mobile application system is not optimal.