Reharmonizator
Music
$4.99 · Designed for iPad. Not verified for macOS.
Harmonizator is a professional chord chart editor and reharmonization engine for musicians, composers, and jazz students.
BUILD YOUR CHART
Enter any chord progression using the intuitive chord builder or tap notes on the piano keyboard — the app detects the chord automatically. Supports all chord types: triads, seventh chords, extended harmonies, slash chords, and more.
ANALYZE YOUR HARMONY
Get instant harmonic analysis of your progression: key detection, Roman numeral notation, chord function (tonic, dominant, subdominant), and II-V-I pair highlighting.
REHARMONIZE WITH PROFESSIONAL TECHNIQUES
Apply jazz reharmonization tools used by professional arrangers:
Secondary dominants
Tritone substitution
Related II (ii-V)
Modal interchange
Bass change & inversions
Hybrid / polychords
Chromatic approach
Parallel voicing
Cadential 6/4 & Sus
Backdoor dominant
HEAR IT IN REAL TIME
Play back your progression with Rhodes, Synth, Guitar, or Choir sounds. Adjust tempo, time signature, chords per bar, and individual volumes for chords, bass, and drums.
ADD A MELODY
Write, record, or generate a melody over your chord chart. Edit notes in a piano roll or view them on a staff. Export your work as a MIDI file.
Ratings & Reviews
Version 2.0 introduces full melody support:
Write melodies from scratch in the piano roll editor
Record a melody with your voice or any instrument
Generate a melody automatically over your chord progression — choose between jazz style (bebop vocabulary, approach notes, and jazz phrasing) or classical style (stepwise motion, voice leading, and melodic arcs)
View your melody on a musical staff
Export chords and melody as a MIDI file
The developer, Martin Adler, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Martin Adler
- Size
- 97.3 MB
- Category
- Music
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 6 more
- English, French, German, Italian, Japanese, Portuguese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Martin Adler
