Press the button -Play- to hear two tones. The second tone is either pitched higher or lower. If you are uncertain, you can listen to them once again. After that, you either hit the button for higher or lower.On the area below you can see a statistical evaluation of your earnings. You can always reset this statistics and start all over again.Its most efficient to adjust the settings to where you can barely manage a level (you should go to the next level when you have about 90% right answers at the earliest).Exercise more than 10 minutes a day doesnt pay off!For the high, low and full range it is necessary to use your headphones to get the needed quality.Enjoy practicing!Preferences for Synthetic Sound (Sinus):Intervals: Perfect unison, fourth, fifth and eighthBasic-Pitch: 440, 441, 442, 443, 444, 445 HzRange: Middle, High and Low Range or Full RangePitch-Difference: 100, 50, 25,15,10, 7, 5, 4, 3, 2 or 1 cent (100 cent = 1/2 Note)Preferences for the real musical instruments (piano, violin, violoncello, guitar, flute, oboe, clarinet, trumpet, trombone):Intervals: Perfect unison, fourth, fifth and eighthPitch-Difference: 50, 20, 8 and 4 cent
||Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.