In June 2014 in the world of Apple, something happened that no one expected: Apple has introduced a new object-oriented programming language - Swift, which should replace Objective-C, previously used to develop applications for OSX & iOS.
Swift vs. Objective-C
Apple has announced Swift as a powerful and intuitive programming language for macOS, iOS, watchOS and tvOS that completely can replace the Objective-C.
Due to several key features, Swift has the potential to become the only preferred programming language for creating engaging, flexible, consumer-friendly applications.
Before focusing on Swift vs. Objective-C comparison, let us give a brief background to the history of iOS programming languages development.