In the vast number of programming languages, nowadays, the youth choose IOS as their development career path. As you may know, IT job covers a wide range of difficult fields with many different programming languages. When you have to choose which language to study, what makes you choose the IOS program? But why should we choose IOS, instead of other operating systems, like Android or Hybrid? First of all, if compared to the Hybrid application, a native iOS application will have the advantages of stability, smoothness, the ability to optimize the performance of the device as well as the user experience.