Google Maps is still king of the travel apps and mobile sites, says a study by research firm Nielsen.
Google Maps was both the top travel app and mobile website during June 2012, with a projected 77.8 million US smartphone owners using the Google Maps app at least once in the month. About 17 million accessed Google Maps via the mobile Web.
GasBuddy, a free app in which users monitor gas station prices, ranked as the number-two Travel app with nearly 9 million users.
Read full story at: http://www.tnooz.com/2012/08/30/news/google-maps-gasbuddy-and-urbanspoon-most-popular-travel-apps-by-us-usage/