eBay is Top Mobile Commerce App

Some 14.3 percent of an Arbitron panel use the eBay mobile app. making eBay the top app for mobile shopper. 

The eBay mobile app was used, on average, for about 34.6 sessions, for an average of one hour and 48 minutes, during the February 2013 period, according to Arbitron, 

Mobile App	User %	Minutes/Month	Sessions/Month
eBay	14.3	108.4	34.6
Amazon Mobile	13.0	40.0	10.9
Groupon	11.1	22.2	9.1
Passbook	8.1	2.0	2.6
Craigslist Mobile	6.6	80.4	17.3