Why do we care about iOS development? Simply put, iOS is one of the world’s most advanced and distributed mobile operating system on the planet. Whether it's market-driven considerations or the technical aspects of iOS, it is a platform worth examination. Further, if you are giving serious consideration to having a mobile experience for your platform, you cannot ignore iOS. Enough background… take with us a whirlwind tour of developing, building, and optimizing iOS applications in Swift or Objective-C.