Facebook:
One of the most preferred apps for smartphones, Facebook app’s updated version works amazingly for photos, messaging, and navigation, etc. It is currently the second most used app which provides a handsome number of clients for any business.

Youtube:
In June, 2013, Bloomberg published a report which showed that about 10 per cent of Google’s total revenue comes from Youtube alone. More than half of America is using the mobile app and a quarter of traffic generates from mobile or tablet users.

Pinterest:
Pinterest has been generating huge traffic for marketers since the social network introduced its mobile app for iPhone in 2011. In August, 2013, it released its first app for android users which is available in the Google Play Store.
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Google+:
GlobalWebIndex’s recent survey reveals that the mobile app for Google+ is used by 30 per cent of the total smartphone users which confirms the fact that three out of four most used apps are owned by Google.

Twitter:
The survey report by GlobalWebIndex also shows that Twitter Mobile App is the sixth most used with 22 per cent smartphone users using it. Recently, the social network updated its Android and iOS versions and added a new feature called a blue line.

LinkedIn:
LinkedIn Mobile page has grown exponentially as a consumer service over the years on LinkedIn. It has apps for both android and iPhone. The application is free and can be downloaded from Google Play Store.

Foursquare:
Foursquare is the answer to your search for the perfect hangout with friends. Ranked among the top 16 on the list of most used apps, it really does help in making the most of wherever we are. The app analyzes over 3.5 billion check-ins to show the best places in any city of the world.