1. iOS:
iOS is a mobile operating system that is provided by Apple Incorporation. It is mainly designed for Apple mobile devices like iPhone and iPod Touch. It was earlier known as iPhone OS. It is a Unix-like operating system that is based on Darwin’s (BSD) operating system. It is the world’s second most used mobile operating system after Android. It is mainly written in C, C++, Objective-C, assembly language, and Swift. The first version of iOS was launched in 2007.
2. Android:
Android is a mobile operating system that is provided by Google LLC. It is based on the modified version of the Linux kernel and other open-source software. It is specifically designed for touchscreen mobile devices like smartphones and tablets. It was developed using C, Java, C++, and other languages. The first version of Android was launched by Google in 2008. The latest stable version of Android is Android 10. It is provided totally free of cost. It is the most used operating system overall.
