Application testing and web testing have always played a significant role in the entire development process. Testing involves detecting and fixing bugs such as breaks in payment processing, issues with signup forms, glitches in navigation, or even a small difference in font size. 

A robust testing process can be ensured based on the devices on which the tests are being run. For this purpose, testing on mobile devices plays an important role. In this article, you will get to know the differences between emulators, simulators, and real devices.