[Free] [iPad] Swift Playground @ Apple Inc

Swift Playgrounds is a revolutionary app for iPad that makes learning Swift interactive and fun. It requires no coding knowledge, so it’s perfect for students just starting out. Solve puzzles to master the basics of Swift — a powerful programming language created by Apple and used by the pros to build today’s most popular apps. Then take on a series of challenges and step up to more advanced playgrounds designed by Apple and other leading developers.