Apple Inc. (NASDAQ:AAPL) reported on Thursday that consumers downloaded about 15 billion apps from its App Store to date.The company said the apps were downloaded by users of its iPhone, iPad and iPod mobile devices. Apple has paid app developers over $2.5 billion to date.Apple has a potential upside of 30% based on a current price of $351.76 and an average consensus analyst price target of $457.24.Apple is currently above its 50-day moving average (MA) of $338.06 and above its 200-day of $329.92.