The document compares the growth of iOS and Android app markets in Vietnam from Q2 2011 to Q1 2012. It shows that the iOS market grew steadily over this period from 16 million to over 14 million users, while the Android market grew more rapidly from just 500,000 users to over 2 million users. It also notes that Android apps in Vietnam average 480 downloads per app compared to 1,600 downloads per app for Vietnamese iOS apps.