Vocal Scale Trainer PRO 15 app for iPhone and iPad

This application is used to check and practice the pitch of your singing voice. It can also be used for tuning musical instruments and composing music. Try the beautiful ZEN-themed UI design with no waste and the refined usability of version after version.
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A wide variety of musical scales
Metronome
Recording
Color theme
Pitch adjustment
Keyboard scales
Change keyboard labels (CDE, Do Re Mi, etc.)
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Major Scale
Minor Scale
Pentatonic Scale
Pentatonic Minor Scale
Harmonic Minor Scale
Melodic Minor Scale
Whole Tone Scale
Major Blues Scale
Minor Blues Scale
Spanish Scale
Yonanuki Minor Scale
Ryukyu Scale