We are going to make an app that will use tokbox to make video calls in swift. So yes your simplest video calling app tutorial using tokbox in iOS. If you need objective-c version of this you can ask question and I’ll be happy to answer it or in comments.
To learn about swift this lecture 1 is all about swift, what is swift and what are other new features etc. You’ll also learn the basics of swift and you’ll start coding right away in playground. The best way to learn a language is to create a project in it. In this series we will also start a project and take tit to the app store.