By Leah Montebello Apple’s App Store revenue fell last month as gaming slowed on smartphones, according to a note from Morgan Stanley. Analyst Erik Woodring said revenue dropped around five per cent, impacting the US, Canada and Japan. Using data from Sensor Tower, a firm that tracks app downloads and sales, Woodring said the main driver for the slowdown was gaming revenue, which tanked 14 per cent in September. Over half of spend on in-app purchases comes from gaming apps. He suggested that Apple customers could be spending less due to economic concerns, and a wider inflationary pressure. “We…