 Researchers found that usage of mobile apps strongly correlates with user context and depends on user's location and time of the day.Mobile apps are playing an ever-increasing role within healthcare and when designed and integrated correctly can yield many benefits.Market research firm Gartner predicted that 102 billion apps would be downloaded in 2013 (91% of them free), which would generate $26 billion in the US, up 44.4% on 2012's US$18 billion.