Apple is near ousting Motorola as the third-largest phone builder operating in the US, comScore found in just-published data on Tuesday. Between the October launch of the iPhone 4S and January, Apple gained two percent of the total cellphone market, putting it at 12.8 percent. A small if continued declined from Motorola has put it at 13.2 percent, raising the chance that Apple will overtake even Motorola's combined share by the spring.