The Mimi Hearing Test is a hearing adjustment curve based on psychophysics. These technologies were introduced only recently, so you get a unique test. Throughout the test, you will determine how well you can distinguish between the tones of sounds in a standard environment.
I just discovered this iOS app when I wanted to see how my hearing between left and right ears differed due to my Meniere’s disease. It’s an amazingly simple app to set up and use. And best of all, it’s free.