Digital transformation in the Indonesian healthcare sector is progressing rapidly, but hospital app usage lags behind the health aggregator platforms. This study aims to analyze the factors influencing user satisfaction and its impact on continuance intention and purchase intention for Medical Check-Up (MCU) services. By integrating the UTAUT and DeLone & McLean IS Success models, data was collected from 206 respondents who used the MySiloam and MIKA apps in the Greater Jakarta area, and was