In any case, I can now test my iPhone application on a real-world iPhone rather than using the iPhone SDK simulator. This has a few advantages. Firstly, the simulator is exactly what it says it is; it is just a simulator not to be confused with an emulator. Therefore, all the apps that I test on it have access to my MacBook Pro’s 4gigs of memory and powerful CPU which is much larger than what I have available on the iPhone. This is not the best testing environment as not having the ability to test my applications on a real-world device would mean I would have no clue how fast the application would run.

Another limitation of the simulator is that I am unable to test additional hardware elements of the phone, such as the accelerometer, the GPS and the multi-touch interface. (Note: You can test multi-touch on the simulator by holding the Option-key while dragging your mouse around but its not very easy to use.)

I will be releasing a tutorial shortly on how to get your applications to run on your iPhone using the provisioning certificates that Apple provides once you have been accepted into the iPhone Developer Program.