KeyMorph

omnidevs

In-app purchases

About this app

KeyMorph is the ultimate practice companion for anyone playing a transposing instrument. With a full‑sized, touch‑responsive piano keyboard and a simple dropdown menu, you can choose an available instrument and immediately see the adjusted note names rendered atop each key—no mental math required.

KeyMorph helps you:

Visualize transposition in real time, so you always know which piano key corresponds to your instrument’s written pitch.

Switch instruments effortlessly—great for multi‑instrumentalists or band directors working with different sections.

Build confidence by practicing scales, chords, and melodies in their concert‑pitch form while seeing exactly what to play on your instrument.

Ideal for students, educators, and professionals alike, KeyMorph makes learning and performing transposed music intuitive, accurate, and fun.

Instruments Supported:
Piano
Violin
Oboe
Alto Saxophone
Soprano Saxophone
Tenor Saxophone
Baritone Saxophone
Trumpet
French Horn
Clarinet

More instruments to come!

What’s new

• New PRO badge shows when Pro is unlocked
• Performance improvements