This paper presents the uses and effect of mobile application in individuals, business and social area. The world is humming to the tune of mobile apps where there is a solution for anything and everything with Smartphone. The technological innovation by the various Mobile App Development Companies suggests that as more and more people are getting addicted to mobile apps to fulfill so many requirements while on the move, life has become so easier. The competitive market demands upgradation of the apps and the new improved features so as to give the best advantage to the end user. This paper demonstrates that how individual mobile user facilitate using mobile application and the popularity of the mobile application. Here we are presenting the consequence of mobile application in business sector. Different statistical data of the past and present situation of mobile application from different parts of the world has been presented here to express the impact. This paper also presents some effect of mobile application on society from the ethical perspective.