The news comes amidst a high-profile dustup between Apple and Adobe Systems Inc, which makes the widely used Flash software to provide video and build games.
Although Flash is nearly ubiquitous on the Internet, Apple calls it a balky battery hog and Apple Chief Executive Steve Jobs will not allow Flash on the iPhone or iPad, or as a tool to build apps on those devices.
Both Federal Trade Commission and the Justice Department enforce US antitrust law, and no decision has been made on which may take the probe on Apple, said the source.
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