Falling Asleep with Angry Birds, Facebook and Kindle – A Large Scale Study on Mobile Application Usage Matthias Bohmer¨ Brent Hecht Johannes Schoning¨ DFKI GmbH Northwestern University DFKI GmbH Saarbrucken,¨ Germany Evanston, IL, USA Saarbrucken,¨ Germany
[email protected] [email protected] [email protected] Antonio Kruger¨ Gernot Bauer DFKI GmbH Fachhochschule Munster¨ Saarbrucken,¨ Germany Munster,¨ Germany
[email protected] [email protected] ABSTRACT music, sightseeing, and navigating. In this way, the mobile While applications for mobile devices have become ex- phone has become increasingly analogous to a “Swiss Army tremely important in the last few years, little public infor- Knife” [15, 17] in that mobile phones provide a plethora of mation exists on mobile application usage behavior. We de- readily-accessible tools for everyday life. The number of scribe a large-scale deployment-based research study that available applications for mobile phones – so called “apps” logged detailed application usage information from over – is steadily increasing. Today, there are more than 370,000 4,100 users of Android-powered mobile devices. We present apps available for the Android platform and 425,000 for Ap- two types of results from analyzing this data: basic descrip- ple’s iPhone1. The iPhone platform has seen more than 10 tive statistics and contextual descriptive statistics. In the case billion app downloads2. of the former, we find that the average session with an appli- cation lasts less than a minute, even though users spend al- Despite these large numbers, there is little public research most an hour a day using their phones.