A mobile application or mobile app is an application software designed to be used in devices such as smart-phones and tablet computers. Apps are generally small, individual software units with limited function. Each app provides limited and exclusive functionality such as a game, calculator or mobile web browsing. A more sophisticated approach involves developing specifically for the mobile environment, taking advantage of both its limitations and advantages.
Mobile app has the advantage of accessibility anywhere anytime. An expert can design and develop mobile apps for a company, products, brand or services. This is one of the most cost effective mode of advertising which can yield rich dividends in terms of new business generation.