High Quality Content by WIKIPEDIA articles! MacUpdate is an Apple Macintosh and iPhone software download website, started in the late-1990s. As of summer 2009, it is the 114th fastest growing privately owned company in the USA, according to Inc. Magazine, which lists MacUpdate as the #1 fastest growing company in Michigan, and the 5th fastest growing retail company in the United States. It has been featured in several magazines and newspapers including The New York Times, USA Today, Detroit News Free Press, The Philadelphia Inquirer, Macworld and MacLife.