Apple has continued making gains in the US mobile and smartphone market according to the latest comScore ‘Mobile Subscriber Market Share’. Surpassing RIM, Apple jumped to being the fourth largest OEM with a share of 8.3% of the US market. Samsung remains number one with 24.5% of the market, followed by LG and Motorola.

In terms of smartphone operating systems in the US, Google’s Android leads the pack with 36.4% of the market, an increase of 5.2 percentage points over the three month period. Whilst Apple’s iOS, is still in a solid second place, and grew its share by 1.3 percentage points. RIM continues its slide, falling another 4.7 percentage points and Microsoft also managed to see its market share fall by 1.3 percentage points.

Meanwhile in terms of usage, more US consumers ar using web browsers (up 2.1 percentage points), downloading applications (up 2.4 percentage points), playing games (up 2.5 percentage points) and using social networks or accessing blogs (up 2.7 percentage points).

[Via comScore]