One of the neat features available in the iOS SDK is the Game Kit framework, which contains APIs that enable communications over a Bluetooth network. You can use these APIs to create peer-to-peer games and applications with ease. Unlike other mobile platforms, using Bluetooth as a communication channel in the iOS is much easier than you might expect.
In this section, you will learn how to build a simple application that enables two iOS devices to communicate with each other.
Before any exchanges of data can take place, the first step to Bluetooth communication is for the devices to locate each other. The following Try It Out shows you how to use the Game Kit framework to locate your Bluetooth peer.
TRY IT OUT: Looking for Peer Devices