Go is an open source programming language that’s aimed at making simple, efficient, and reliable software. It was created by three Google employees in 2007. In the recent times, it has emerged as one of the most popular programming languages, and it’s used by some of the Google’s won production systems. Many Go projects are also used for web servers, APIs, minimal web application frameworks, etc.
Objective-C is a general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. It was the main programming language used by Apple for the OS X and iOS operating systems, and their respective application programming interfaces (APIs) Cocoa and Cocoa Touch prior to the introduction of Swift.