Apple made more money from iPhones in China — but outside data showed sales dropped. The confusion comes down to prices, said an analyst.

Tim Cook said iPhone sales grew in China, despite external research showing a decline.The discrepancy may be due to different methods of calculating revenue used by Apple and analysts.China accounted for 18% of Apple's sales, making it a critical market for the tech giant. NEW LOOK Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Access your favorite topics in a personalized feed while you're on the go ...