There are several reasons to build a mobile app. Retaining your customers by keeping your name on their mobile devices is 0ne of the best reasons to build a mobile app.  Mobile apps provide several unique ways to keep your name in front of your customers.  In as much as content is extremely important, using your mobile app to communicate real-time specials that can last 1-2 hours becomes a very valuable tool when times may be slow.  Creating two-way communication activities such as photo games and appointment requests helps your customers keep coming to you instead or your competitors. This is one of the best reasons for a small business mobile app!