App rot is a big problem on the App Store. With recent changes to the Review Guidelines, Apple is tackling app rot by removing outdated and unsupported mobile apps from the App Store.
App developers have published more than 2 million mobile apps since the App Store first launched in 2008. Starting from a few thousand mobile apps in the early days, the App Store quickly ballooned to millions of mobile apps as developers took advantage of the App Store Gold Rush.