Abstract: Geographical Information System helps everyone in many industries on a regular basis. “iReportMo” is an android mobile application that uses GIS-based to let a citizen report an incident right from the mobile device. This application will serve as an easy access that caters emergency concern such as fire, accident, crime and barangay incident in Metro manila. The user may provide details such as location, date, time, and images when reporting an incident. There are few existing literatures have focused on providing assistance to any emergency event using the newest technology, but few have not touched on providing a centralized system that caters all the emergency in one application. Thus, this paper automates the efforts of the manual transaction to effectively respond to an emergency hazard in City of Manila thus makes it more efficient to gather important information in real time.