Tonemash

Write better chord progressions — and understand why they work. Tonemash is a harmony studio for songwriters, producers, and players. Build a progression, hear it over a real groove, and let Tonemash show you smarter chord choices, richer voicings, and exactly how to play them on guitar, piano, or bass. BUILD PROGRESSIONS FAST • Pick any major or minor key and a style: Neo-Soul, Jazz, Classical, or Rock • Smart suggestions offer the next chord that fits where your progression is going • A full chord palette for every scale degree — 7ths, 9ths, 11ths, 13ths, secondary dominants, and borrowed chords • Drag chords into your progression, swap any chord for an alternative, or roll the dice for a fresh idea REHARMONIZE IN ONE TAP Turn a simple progression into something sophisticated: Seventh Chords, Neo-Soul, ii-V-I, Secondary Dominants, Altered Dominants, Tritone Substitutions, and Diminished Passing chords. Added chords are highlighted so you can see what changed. HEAR IT OVER A REAL GROOVE Play your progression back over drum patterns — Basic, R&B, Hip Hop, Pop, EDM, Reggae, and Groove 19. LEARN EVERY CHORD Tap any chord to see: • Voicings for guitar, piano, and bass • Scales that fit, shown on the fretboard or keyboard • Arpeggios, riffs, melodies, licks, and bass lines built on that chord PRACTICE AND KEEP YOUR IDEAS • Practice mode walks you through each chord in time, with adjustable tempo • Save progressions to your account and pick them up on the web at tonemash.com • Export your progression as MIDI for your DAW SUBSCRIPTION Tonemash Core is an auto-renewing monthly subscription. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://tonemash.com/terms Privacy Policy: https://tonemash.com/privacy