There is a tremendous rise in the usage rate of mobile phones and users are regularly spending more than 80% of their mobile time on the apps. Anyone having smartphone makes use of mobile apps that are installed on their phones to get directions, play games, book tickets, read the news and much more. 90% of the US enterprises are increasing their investments in the mobile app development sector to meet the growing demand. Though millions of apps exist today in App store, not all app are successful due to inefficient app development process. The cost of the mobile app is one of the important factors that needs to be planned before building the app.