Harmonic.Tools

Structured music software.

For composers and engineers.

What We Build

Harmonic.Tools develops structured music applications for macOS, iOS and iPadOS.

Built for clarity, speed and precision.

Scale mapping, modal transformations, interval structures and alternate tuning exploration.

Pattern-based workflows, harmonic progression utilities and structured writing tools.

Fast lookup for intervals, keys, chord-scale relationships and harmonic equivalence.

MIDI transformation, fretboard mapping and harmonic-aware visualisation tools.

Tools designed for fast, accurate access to musical structure.

Hands-on music theory lab.

Explore 61 scales, build chords across 8 voicing types, and map harmony with interactive circles.

Coming Soon Learn More

Pocket timing & frequency toolkit.

Tap tempo, BPM tables, note↔frequency, transpose, FM & LFO calculators, and 32 harmonics — every answer a producer needs, offline and instant.

Coming Soon Learn More

Hands-on music theory lab.

Explore 61 scales, build chords across 8 voicing types, and map harmony with interactive circles — right on your Mac.

Coming Soon Learn More

Desktop timing & frequency toolkit.

Tap tempo, BPM tables, note↔frequency, transpose, FM & LFO calculators, and 32 harmonics — every answer a producer needs, right on your Mac.

Coming Soon Learn More

Music can be approached as a structured system.

Harmonic.Tools builds software that exposes musical relationships clearly and directly.

Harmonic.Tools is a long-term music software lab focused on structured, system-level tools for Apple platforms.

We build with Swift and SwiftUI using modern macOS and iOS technologies. The emphasis is on precision, stability and clarity.