Apple's U.S. Smartphone Market Share Grows; Facebook Top App

ComScore, a global leader in digital media analytics, reported last week key data relating to the U.S. smartphone industry for March 2015.

According to ComScore, Apple Inc. (NASDAQ: AAPL) improved its OEM market share to 42.6 percent from 41.6 percent at the end of 2014. Samsung Electronics Co Ltd (OTC: SSNLF) saw its market share decline to 28.3 percent from 29.7 percent at the end of 2014.

Over the same time period, LG Electronics improved its market share to 8.4 percent from 8.0 percent, Motorola saw its market share decline to 5.0 percent from 5.2 percent while HTC's market share edged slightly higher to 3.8 percent from 3.7 percent.

Despite Apple holding the top OEM ranks, Google Inc (NASDAQ: GOOG) (NASDAQ: GOOGL)'s Android held on to the No. 1 smartphone platform with 52.4 percent platform market share, even though it held a 53.1 percent market share at the end of 2014. Over the same time period, Apple's iOS market share improved to 42.6 percent from 41.6 percent.

Microsoft Corporation (NASDAQ: MSFT)'s platform market share fell to 3.3 percent from 3.4 percent, as did BlackBerry Ltd (NASDAQ: BBRY)'s whose market share fell to 1.6 percent from 1.8 percent. Symbian, the smallest of the major operating systems, saw its market share unchanged at just 0.1 percent.

Related Link: Why Apple Watch Is 'Guaranteed To Sell A lot Of Units'

Facebook Top App

ComScore also compiled data for the most popular smartphone apps as of the end of March.

Facebook Inc (NASDAQ: FB)'s -core app was the clear market leader, reaching 69.5 percent of the app audience. Google's YouTube app ranked second, reaching 55.9 percent of the app audience.

Pandora Media Inc (NYSE: P)'s streaming music app ranked seventh with a 43.2 percent reach, outranking Apple's iTunes Radio/iCloud's 23.9 percent reach.

Twitter Inc (NYSE: TWTR)'s app ranked 12th with a 23.6 percent reach, while Amazon.com, Inc. (NASDAQ: AMZN)'s Mobile app ranked 13th with a 23.1 percent reach.