Currently, the market for mobile applications continues to grow rapidly. According to the study, presented by Gartner, by the end of the year will produce about 46 billion downloads of mobile applications, which is almost twice the number of downloaded applications (25 billion) in 2011. The level of popularity and the number of downloads of mobile applications is still completely dominated by free programs, which account for 89% of downloads. Price has a decisive influence on the popularity of paid apps - 90% of downloaded paid programs cost less than $ 3.
