Tonal for Songwriters is a practical harmony companion designed to support you while you play and write on your instrument.

Built around a piano-first interface for keyboard players, powered by a tonal engine designed to work beyond a single instrument.

Choose a key and Major or Minor, and instantly explore the full harmonic context: diatonic chord degrees, scale notes, inversions, chord variations, and playback controls in one clear workspace.

Built for real writing sessions:

Understand harmony quickly
Use it as a guide while you play your instrument
Experiment with inversions and chord colors without breaking musical flow

Core features:

• Key + Tonality engine (Major / Minor)
• 7 diatonic chord degrees generated from tonal context
• Consistent note spelling by key (no confusing enharmonic swaps)
• Chord inversion controls with “Apply to all degrees”
• Chord variation controls (triads, sevenths, suspended and extended options)
• Visual scale reference with note playback
• Chord and scale playback with timing and sound preset controls
• Keyboard View and Easy View for different workflows
• Register awareness (Low / Mid / High) for clearer voicing feedback
• Compact Super Menu for playback, sound, appearance, and presentation guide

Pro features (one-time unlock, no subscription):

• All chord inversions across degrees
• Full chord variation set (sevenths, suspended, extended, altered options)
• Expanded scale library
• Additional sound presets and advanced playback options

Designed for songwriters:

Whether you are sketching progressions, testing harmonic colors, or checking available scale tones, Tonal gives you a focused and musical workflow without unnecessary complexity.

No account required. Just open the app, choose your tonal center, and start writing.