U.S. Facebook users recently spent more time on the social network via their smartphone than via their computer. On average, Americans spent 441 minutes (7 hours and 21 minutes) accessing Facebook on their smartphone in March 2012, compared with 391 minutes (6 hours and 31 minutes) via computer, according to comScore.
Unsurprisingly, Facebook is responsible for the majority of smartphone users' time. As you can see in the chart above, Foursquare was second with 146 minutes, followed by Twitter with 114 minutes. Tumblr (68 minutes), Pinterest (53 minutes), and LinkedIn (13 minutes) brought up the rear.
It's also worth noting that Facebook was the top ranked mobile media property by engagement. 80 percent of time spent was represented by app usage compared to 20 percent via browser. Twitter saw an even higher percentage of time spent in its app, at 96.5 percent of all minutes.
Facebook has over 901 million monthly active users and over 488 million mobile monthly active users. Those numbers overlap, of course, but there are also those who access the site strictly from their mobile devices.
"Social networking proved to be a particularly popular activity on smartphones with several brands demonstrating exceptionally high engagement, in some cases higher than the corresponding time spent by users via traditional web access," a comScore spokesperson said in a statement. "Analysis of the share of time spent across apps and browsers revealed that even though these access methods had similar audience sizes, apps drove the lion’s share of engagement, representing 4 in every 5 mobile media minutes. Analysis of the top properties also revealed widely varying degrees of time spent between app and browser access methods."