The main problem faced by the patient to get immediate medical services nowadays is that there are a lot of people queuing to get medical services at the same time, it means many time is wasted and their rest time is loss. Moreover, parking lots problem is dealt by the hospital management because of many patients stuck in the queue to get their medical service. These problems are about to be solved by the hospital of PKU Muhammadiyah Kutoarjo with android based application. The main course from this research is to develop android-based application of medical service reservation with expectation that patients may come in the reserved time to get medical service immediately without being stuck in the queue and they could take their time to rest. On the other hand, patient’s vehicles would not be crowding the parking lots of the hospital. The development is conducted using a software engine for developing mobile based application and is supported by a database that capable to maintenance realtime data processing. Methode that is used to develope the software in this reaserch is waterfall model. This reseach has developed a mobile based application that gives ease for people to get medical service, the application also can be a way for the hospital to promote medical information to people to live a healthier life
