All That needs to be done is uploading the iOS application on App.io and from here it can be streamlined on to any device pc/Mac/Android phones. This one is the simplest way of testing your iOS application. Here are 3 best iOS emulators which can be used for checking and testing iOS applications. So it becomes a bit tedious for checking iOS applications. Unlike Android, there are not many iOS emulators available in the market so there are a very few alternatives.
Mobile phone emulators are therefore designed to bridge this gap.
For example, a game application developed for Android phone should be made available for smartphones running on other OS. Emulators have long been in the market because there is a need to fill the void of running one application meant for a specific smartphone to run across various platforms.