In an ideal world, you would test every line of code in your app on every device that your app is compatible with. Unfortunately, this approach is too slow and costly to be practical.

A good testing strategy finds an appropriate balance between the fidelity of a test, its speed, and its reliability.

Testing is an integral part of the app development process. By running tests against your app consistently, you can verify your app's correctness, functional behavior, and usability before you release it publicly so let's explore the best types of tests , strategies and approaches to test apps like a pro.