The OpenTok iOS SDK lets you use OpenTok video sessions in apps you build for iPad, iPhone, and iPod touch devices. This means you can use OpenTok video sessions that connect iOS users with each other and with web clients.
The OpenTok iOS SDK uses the same platform architecture and concepts that are used in the OpenTok JavaScript library and the OpenTok ActionScript library. However, you code iOS apps in Objective-C.
This article will explain the most basic parts of the OpenTok iOS SDK. It will also show how the functionality and concepts used in the OpenTok iOS SDK are shared in the OpenTok JavaScript and ActionScript library.