Before submitting to the App Store, it is a good idea to test the App once again precisely. I tend to install my App on a device and give it a friend for a while. Then I tak
For a serious professional app that you plan on making money with -- first you do in-house "white box" alpha testing with Instruments, etc., then you hire a professional quality assurance testing company to do "black box" functional beta testing, and then you hire a professional usability testing company to do user testing on live guinea pigs with video surveillance.