In recent years, crimes and violences against children increase significantly especially in rural area. Consequently, it becomes an urgency for the parents to utilize the system for supporting children safety during their outdoor activity. This paper presents mobile based child location monitoring application. This application has a function to observe child location position. Moreover, it provide the information about child activity outside his/her home whether in his/her school or the other places. The application platform is Androis OS and utilize Global Positioning System (GPS) to locate child current position.The localization result is sent to the parents periodically through Short Message Service (SMS) technology. The testing result shows that all aspects of the application meet the development objective. The application can improve kid monitoring process and prevent undesirable incident outside their houses.