KeyMorph

100+
Downloads
Teacher Approved
Content rating
Everyone
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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!
Updated on
Aug 11, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Committed to follow the Play Families Policy

What’s new

Adding support for all Saxophones, Clarinet , French Horn , Oboe and Violin