Comscore Reports May 2011 U.S. Mobile Subscriber Market Share

Smartphones Reach Key Milestone; Now Owned by 1 in 3 Americans

RESTON, VA, July 5, 2011 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the Comscore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month average period ending May 2011. The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 24.8 percent market share. Google Android led among smartphone platforms with 38.1 percent market share.

OEM Market Share
For the three month average period ending in May, 234 million Americans ages 13 and older used mobile devices. Device manufacturer Samsung ranked as the top OEM with 24.8 percent of U.S. mobile subscribers, followed by LG with 21.1 percent share and Motorola with 15.1 percent share. Apple strengthened its position at #4 with 8.7 percent share of mobile subscribers (up 1.2 percentage points), while RIM rounded out the top five with 8.1 percent share.

Top Mobile OEMs
3 Month Avg. Ending May 2011 vs. 3 Month Avg. Ending Feb. 2011
Total U.S. Mobile Subscribers Ages 13+
Source: Comscore MobiLens

Share (%) of Mobile Subscribers

Feb-11

May-11

Point Change

Total Mobile Subscribers

100.0%

100.0%

N/A

Samsung

24.8%

24.8%

0.0

LG

20.9%

21.1%

0.2

Motorola

16.1%

15.1%

-1.0

Apple

7.5%

8.7%

1.2

RIM

8.6%

8.1%

-0.5

Smartphone Platform Market Share
76.8 million people in the U.S. owned smartphones during the three months ending in May 2011, up 11 percent from the preceding three month period. Google Android ranked as the top operating system with 38.1 percent of U.S. smartphone subscribers, up 5.1 percentage points. Apple strengthened its #2 position with 26.6 percent of the smartphone market, up 1.4 percentage points. RIM ranked third with 24.7 percent share, followed by Microsoft (5.8 percent) and Palm (2.4 percent).

Top Smartphone Platforms
3 Month Avg. Ending May 2011 vs. 3 Month Avg. Ending Feb. 2011
Total U.S. Smartphone Subscribers Ages 13+
Source: Comscore MobiLens

Share (%) of Smartphone Subscribers

Feb-11

May-11

Point Change

Total Smartphone Subscribers

100.0%

100.0%

N/A

Google

33.0%

38.1%

5.1

Apple

25.2%

26.6%

1.4

RIM

28.9%

24.7%

-4.2

Microsoft

7.7%

5.8%

-1.9

Palm

2.8%

2.4%

-0.4

Mobile Content Usage
In May, 69.5 percent of U.S. mobile subscribers used text messaging on their mobile device. Browsers were used by 39.8 percent of subscribers (up 1.5 percentage points), while downloaded applications were used by 38.6 percent (up 2.0 percentage points). Accessing of social networking sites or blogs increased 1.8 percentage points to 28.6 percent of mobile subscribers. Game-playing was done by 26.9 percent of the mobile audience (up 2.3 percentage points), while 18.6 percent listened to music on their phones.

Mobile Content Usage
3 Month Avg. Ending May 2011 vs. 3 Month Avg. Ending Feb. 2011
Total U.S. Mobile Subscribers Ages 13+
Source: Comscore MobiLens

Share (%) of Mobile Subscribers

Feb-11

May-11

Point Change

Total Mobile Subscribers

100.0%

100.0%

N/A

Sent text message to another phone

68.8%

69.5%

0.7

Used browser

38.3%

39.8%

1.5

Used downloaded apps

36.6%

38.6%

2.0

Accessed social networking site or blog

26.8%

28.6%

1.8

Played Games

24.6%

26.9%

2.3

Listened to music on mobile phone

17.5%

18.6%

1.1

About MobiLens
MobiLens data is derived from an intelligent online survey of a nationally representative sample of mobile subscribers age 13 and above. Data on mobile phone usage refers to a respondent’s primary mobile phone and does not include data related to a respondent’s secondary device.

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital business analytics. For more information, please visit www.comscore.com/companyinfo.

Contact:
Adam Lella
Comscore, Inc.
+1 (312) 775-6474
press@comscore.com