 Dropbox's mobile iPhone app release in 2010 was among the top 10 "best apps" selected by Alex Ahlund, former CEO of two websites focused on mobile apps, and the company's Android app was also selected as one of the top five "best apps" in a list compiled in 2010 by Jason Hiner for "ZDNet".Founders Drew Houston and Arash Ferdowsi were named among the top 30 under 30 entrepreneurs by "Inc." in 2011.In 2011, "Business Insider" named Dropbox the world's sixth most valuable startup, and in 2017, the publication ranked Dropbox as the eighth most valuable US startup, with a valuation of $10 billion.