Nowadays, the cheapest and most reliable technology method used to measure IRI (International Roughness Index) value is Roadroid which is an Android application developed from a company in Sweden by using a built-in vibration sensor on a smart phone. This smart phone is placed in the vehicle and the vibration of the vehicle will be recorded and analyze and converted to IRI. In Roadroid application, there are four choices of vehicle types namely motorcycle, small car, medium car, four-wheel drive jeep. Since this is aggregate of many types of vehicles, the accuracy of the result will vary for example different country will have different type of vehicles. This research found that medium car has the highest accuracy rate of 99,7% compare compare to small car and motorcycle