Google’s Android and Apple’s iOS are operating systems used primarily in mobile technology, such as smart phones and tablets. Android, which is Linux-based and partly open source, is more PC-like than iOS, in that its interface and basic features are generally more customizable from top to bottom. The height of object can be determined by using inch tapes, angles of elevation and basic trigonometry. Everything listed can be replaced by using standard smart phones having accelerometer, GPS receiver, network connectivity and camera. The paper deals with calculation of height of an object by converting data received from the sensors.