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"Quiz: how much does the average iOS app cost? What percentage of apps are free?  And can you guess which application has more than 1 million ratings in the iPhone App Store?\nThe people over at App of the Day have crunched the numbers and, using data available from Apple and other sources, have broken down the iOS app landscape.  They have also created an elegant infographic to visualize the data.  Some of the results might surprise you.\n\"Using a variety of sources including Apple's RSS feeds and search APIs, we put together a collection of data that we then analyzed to produce the infographic,\" founder Jordan Satok explained to us.\nAccording to App of the Day's analysis, 67% of applications in the App Store are paid apps, and 50% of all apps (not just paid applications) cost less than $3.00.  The vast majority of these apps are for the iPhone \u2014 a whopping 85% are iPhone-only, while another 8% are \"universal\" apps for iPad and iPhone.\nOne surprise is that books beat out games as the top category for apps in Apple's marketplace.  The reason for the dominance of books in the App Store is due to one developer who has over 7,000 book apps in the iOS App Store alone.  Entertainment, education and lifestyle rounded out the top five categories.\nFinally, App of the Day analyzed the average prices of apps based on category.  Book apps cost an average of $5, while the price of an iOS game (paid and free combined) hovered right around the $1 mark.  Unsurprisingly, the most expensive category of apps was the medical sector, whose average price is in the $7 range.\nWe have included App of the Day's infographic below.  Do any of these App Store stats stand out to you?  Let us know in the comments.\nInfographic\n\n\n\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/12/16/ios-app-store-infographic/>