Good practice, BUT... – Music Tutor (Sight-reading) Review

...the keyboard shown needs to be larger than ONE OCTAVE — in other words, if the range selected in the options is three octaves, then the corresponding keyboard pictorial representation should also be three octaves — otherwise, you may be moving up on the keyboard while the corresponding sound is going down. Other than that, a small but useful app.
Review by Chucklehead 64 on Music Tutor (Sight-reading).