If you think $10 is too much money for an app, you won't even consider downloading anything on this list. While Apple's App Store is full of great apps that are inexpensive or free, there are also a handful that cost hundreds of dollars. For some apps, like electronic textbooks and professional tools, the cost is somewhat understandable. But for others, it's completely puzzling. In total, you'd have to spend $12,949.80 if you wanted to buy all of the apps on this list. http://www.businessinsider.in/20-of-the-most-expensive-iPhone-and-iPad-apps-in-the-world/articleshow/49691952.cms