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

Google and Apple Gain Ground in Smartphone Market

RESTON, VA, May 6, 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 March 2011. The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 24.5 percent market share. Google Android led among smartphone platforms with 34.7 percent market share.

OEM Market Share
For the three month average period ending in March, 234 million Americans ages 13 and older used mobile devices. Device manufacturer Samsung ranked as the top OEM with 24.5 percent of U.S. mobile subscribers. LG ranked second with 20.9 percent share, followed by Motorola (15.8 percent) and RIM (8.4 percent). Apple continued to gain share following the launch of the Verizon iPhone, up 1.1 percentage points to reach 7.9 percent of subscribers.

Top Mobile OEMs
3 Month Avg. Ending Mar. 2011 vs. 3 Month Avg. Ending Dec. 2010
Total U.S. Mobile Subscribers Ages 13+
Source: Comscore MobiLens

Share (%) of Mobile Subscribers

Dec-10

Mar-11

Point Change

Total Mobile Subscribers

100.0%

100.0%

N/A

Samsung

24.8%

24.5%

-0.3

LG

20.9%

20.9%

0.0

Motorola

16.7%

15.8%

-0.9

RIM

8.5%

8.4%

-0.1

Apple

6.8%

7.9%

1.1

Smartphone Platform Market Share
72.5 million people in the U.S. owned smartphones during the three months ending in March 2011, up 15 percent from the preceding three-month period. Google Android grew 6.0 percentage points to 34.7 percent market share, while RIM ranked second with 27.1 percent. Apple grew 0.5 points to 25.5 percent share, followed by Microsoft (7.5 percent) and Palm (2.8 percent).

Top Smartphone Platforms
3 Month Avg. Ending Mar. 2011 vs. 3 Month Avg. Ending Dec. 2010
Total U.S. Smartphone Subscribers Ages 13+
Source: Comscore MobiLens

Share (%) of Smartphone Subscribers

Dec-10

Mar-11

Point Change

Total Smartphone Subscribers

100.0%

100.0%

N/A

Google

28.7%

34.7%

6.0

RIM

31.6%

27.1%

-4.5

Apple

25.0%

25.5%

0.5

Microsoft

8.4%

7.5%

-0.9

Palm

3.7%

2.8%

-0.9

Mobile Content Usage
In March, 68.6 percent of U.S. mobile subscribers used text messaging on their mobile device. Browsers were used by 38.6 percent of subscribers (up 2.2 percentage points), while downloaded applications were used by 37.3 percent (up 2.9 percentage points). Accessing of social networking sites or blogs increased 2.6 percentage points, representing 27.3 percent of mobile subscribers. Playing games comprised 25.7 percent of the mobile audience, while listening to music represented 17.9 percent.

Mobile Content Usage
3 Month Avg. Ending Mar. 2011 vs. 3 Month Avg. Ending Dec. 2010
Total U.S. Mobile Subscribers Ages 13+
Source: Comscore MobiLens

Share (%) of Mobile Subscribers

Dec-10

Mar-11

Point Change

Total Mobile Subscribers

100.0%

100.0%

N/A

Sent text message to another phone

68.0%

68.6%

0.6

Used browser

36.4%

38.6%

2.2

Used downloaded apps

34.4%

37.3%

2.9

Accessed social networking site or blog

24.7%

27.3%

2.6

Played Games

23.2%

25.7%

2.5

Listened to music on mobile phone

15.7%

17.9%

2.2

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