Mobile applications can be tested using either simulators or real devices. A simulator is a device o software application that imitates the behavior of an actual environment. They are not only inexpensive but also convenient. Most of them are available for free download. Thus, when you use the simulators, you will not need to get any actual device for testing. Using this method, you will find that the application is fast and testing is done on multiple simulators. You will also find that fluctuating or slow network are minimal. This is the reason that you will find testing on a simulator being faster on an actual device.
If you are using the actual mobile device, is expensive. However, it offers accurate information during all the stages of making the app at globalapptesting.com. The number of devices that you will get will depend on the number of testers. Since the mobile market is dynamic with new products being frequently launched, then testing device needs to be often changed so that it can keep up with the demand. However, though expensive, you will find that it helps in achieving a higher quality mobile application and delivering the solution for the users.
In as much as simulators are useful, you will find that it cannot be able to test all the interactions. There is a significant difference between using a finger on a mobile device and a mouse to click on the simulator. When you use the actual device, you will find that you get the real user experience. There are some actions like scrolling and zooming that are different in touch screen as compared to using a mouse. Check out http://www.huffingtonpost.com/news/mobile-apps/ to gain more details about mobile apps.
Testing is necessary since you need to make sure that the app you get does not have any bug. In case your application has bugs then people will not be interested in using it. Note that there is a competitive market for mobile application. Due to the high supply, it is possible for users to which the app so that they can get a better experience and no bugs. This is the reason that those who are in the app business should make sure that they have delivered a mobile solution that is quality. The only way that this can be done is if the application is tested. It is paramount for those creating the app to use both the simulators and real devices. It is best to test so that you can be sure that the product you are making is more ready for the market.