Real Devices vs Emulators vs Simulators for Mobile App Testing

Testing is a vital part of mobile app development, and it’s more complex to test mobile apps compared to desktop apps because of the large number of different mobile devices with various operating systems, operating system versions, screen resolutions, mobile-specific hardware, and so on. Moreover, different device manufacturers use slightly different versions of Android, and you need to test your app on all of them. 

in this article

https://hackernoon.com/real-devices-vs-emulators-vs-simulators-for-mobile-app-testing-myp3ue7

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