iChanges Downloads & RevenueiChanges - Jazz Chord Trainer · App Store

Master jazz harmony directly on your instrument.

iChanges helps jazz musicians train chord tones, target notes and jazz changes through active playing instead of pure theory.

Use your trumpet, saxophone, piano, guitar or any melodic instrument with real-time pitch detection, or practice silently with the built-in keyboard.

Features:
• Real-time pitch detection using your microphone
• Built-in piano keyboard for silent practice
• 15 chord types including Maj7, Min7, Dom7, Alt7, Half-Diminished and more
• All 12 keys supported
• Transposition for C, Bb, Eb, F and G instruments
• Random practice mode
• Song mode with MusicXML import
• Adjustable tempo and chord duration
• Practice chord tones, tensions and alterations
• Select specific target notes or train randomly
• Local progress tracking and statistics
• 14-day learning history

Whether you are learning your first ii-V-I progression or refining altered dominant vocabulary, iChanges provides focused, practical training designed for real musicians.

No account required.
No subscriptions.
No ads.