The cartoonist who won the Pulitzer Prize for editorial cartooning this week says Apple has asked him to resubmit an iPhone app that it earlier rejected because it "ridicules public figures."

Mark Fiore, who won the prize for animations that ran on SFGate.com, submitted an iPhone app to Apple last year and received an email informing him that his application had been denied, according to a post by Laura McGann at Harvard's Nieman Journalism Lab. In an email that Mr. Fiore said was from Apple, the company wrote that the app...