According to report from ReadWriteWeb. The Apple store has reached a staggering amount of 15 billion downloads.
Apple announced that it has more than 425,ooo apps available in its App Store for users to download. The breakdown is as follows:
Apple Apps for iPad is around 100,000 and each of these all together are what combined together to make the total 425,ooo apps in the app store. You can read more on this post from ReadWriteWeb.