Before 2010 , 102 billion Mobile apps were expected to be downloaded .
ACM , New York , NY , USA , 47-56.Market research firm Gartner predicted that 102 billion apps would be downloaded in 2008 ( 91 % of them free ) , which would generate $ 26 billion in the US , up 44.4 % on 2006 's US $ 18 billion .
Mobile app