via comScore

Facebook overtook Google Maps in the final months of 2012 to become the most downloaded app of the year among U.S. users on iOS and Android platforms, according to comScore data released today.

Facebook also dominated in terms of the time users spent using its mobile apps, with Facebook getting the most time by far with 23 percent. It has long dominated when judged by user engagement.

But Google was behind five out of six of the most downloaded apps. Google Maps was followed by Play, the app hub for Android; Search; Gmail and YouTube.

Combined, Google and Facebook account for 1 of every 3 minutes spent on mobile apps in the United States.