For the three-month period ending in June, Apple Inc. (NASDAQ: AAPL) gained 1.5% share of the U.S. smartphone market and now leads all original equipment manufacturers with a 44.1% share, up 1% compared with March and up 2.8% compared with its January 2015 total. Samsung Electronics’ share has dropped 1.2% to 28.1% since January. No other smartphone maker gained share in June. LG Electronics dropped 0.1% from a March share of 8.4% to a June share of 8.3%. Motorola also slipped by 0.1%, from 5.0% in March to 4.9% in June, and HTC dropped 0.4%, from 3.8% to 3.4% share. The data are contained in the latest report on the U.S. smartphone market from comScore and is based on a three-month average for April, May and June, compared with the three-month period that ended in March 2015. On the operating system (platform) front, Google Inc.’s (NASDAQ: GOOGL) Android dropped 0.8 points of share, from 52.4% to 51.6%, but still remains the top platform. Apple gained 1.5 points, rising from 42.6% in March to 44.1% in June. Microsoft Corp. (NASDAQ: MSFT) dropped 0.4% to post a 3.3% share, and BlackBerry Ltd. (NASDAQ: BBRY) also lost 0.4% to post a 1.2% share in June. The top five smartphone apps in the comScore survey were Facebook Inc. (NASDAQ: FB); with 71.8% reach for all smartphone users at least 18 years old; YouTube (56.3%); Facebook Messenger (54.5%); Google Search (50%); and Google Play (49.8%). Facebook Messenger continues to gain share while Google Search and Google Play slip. Pandora Radio from Pandora Media Inc. (NYSE: P) rose to seventh place behind Google Maps, with a reach of 42.8%. Instagram finished ninth and Yahoo Stocks rounded out the top 10. ALSO READ: 8 Large Companies Valued Under 10 Times Earnings By Paul Ausick More