According to Re/code, Apple’s first wearable device will be shown off at the company’s Sept. 9 event, but it won’t be available to purchase until 2015. There’s one very good reason for that, and it can be summed up in one word: Apps. When the iPhone first launched, many were skeptical of its high-end starting price of $500, particularly for an untested product with a measly 4 GB of storage space.