Initially the Emulator was built so that application developers can test their applications and programs.Most developers use emulators to develop and test applications. Most users prefer iOS emulators rather than simulators. Because of these limitations, the simulator is likely to fail to run multiple applications. While simulators also develop the OS environment, they don’t try to make copies of hardware like emulators. iOS emulator for windows creates an iOS environment for running iPhone applications on a Windows PC. iOS Emulator vs iOS Simulators.Įmulator is a virtual program that is used to create an OS environment that is different from the original OS of the device. This virtual device is capable of running iOS applications on Windows computers. The technology is responsible for creating virtual machines. This emulator follows the concept of virtualization technology.