Apple announced that nearly a billion applications for the iPhone and the iPod Touch have been downloaded since Apple's App Store went live in early July 2008. The company even introduced a counter to track the number of downloads. It was just in late January that Apple celebrated the download of 500 million applications. Some of the most popular applications include Facebook, Google Earth and the game Crash Bandicoot. Article, Slideshow of the top free apps, Slideshow of the top paid apps.