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In the first 11 months of business, Apple’s iTunes App Store reached 1 billion downloads. This actually turned out to be something of a slow start, and in the following year and a half the total number of downloads grew to 10 billion. Clearly this spectacular market growth would not have been possible without the availability of hundreds of thousands of high quality applications available to iOS users in the App Store. Whilst some of these apps may have been developed by those with altruistic motives, it is most likely that the majority of the companies and individuals that invested the time and effort in creating apps did so in order to make money.
There are a variety of methods for generating revenue from an iOS application. Perhaps one of the more obvious solutions, aside from charging an upfront fee for the application, is to integrate advertising into the user interface. The iAds framework provides an easy to use mechanism for the integration of advertisements sourced from Apple’s iAds inventory. This chapter has covered the basics of the iAds framework and worked through the creation of an example application.