Create without losing the idea.
Build progressions, try variations and turn an instinct into a clear musical structure.

Build progressions, train your ear and turn musical ideas into something you can keep creating with.
Coming soon to the App Store
Composition. Harmony. Listening.

Create, learn and practise in one experience, without breaking your flow.
Fewer menus. More listening. Each tool appears when you need it.
Build progressions, try variations and turn an instinct into a clear musical structure.

Scales, chords and ear training live within the same creative flow. Theory always has a sound.

Compare relationships, recognize harmonic colors and train your ear through a direct, visual experience.


Record the idea. Give it shape. Hear what it could become.

Explore harmony, structure, listening and progress from different perspectives.












No account, ads or advertising tracking. Your projects are stored locally on your device.
Read our privacy policy

Every plan unlocks the same Pro access.
US$5.99
per weekUS$39.99
per yearUS$99.99
one-time paymentPrices may vary by region. Apple manages purchases and subscriptions.
The essentials on access, purchases, exports and privacy.
No. Music Tool is designed for beginners and deeper exploration alike. Listen to scales and chords while visual explanations connect each sound to its function.
Yes. The app requires no registration or separate account. Pro access is validated through the purchase associated with your Apple Account.
Preferences, selections and progressions are stored locally on your iPhone. You can delete projects in the app; uninstalling it also removes its local data.
Yes. Music Tool creates a MIDI file so you can continue working on the idea in your production workflow.
Yes. Export a WAV version of the arrangement and share it through native iOS options.
Open the Pro area in Music Tool and choose “Restore Purchases”. The app checks with Apple and RevenueCat to validate your access again.
Manage or cancel it in Settings on your Apple device: your name, then Subscriptions. Access continues until the period you have already paid for ends.

Music Tool. Coming soon for iPhone.
Coming soon to the App Store