Harmonitron
Harmonic tremolo effect
About
This app creates a rich, swirling harmonic tremolo effect, distinct from standard volume pulsing. It splits sound into low and high bands, modulating them in opposite phases for a lush, phaser-like character. Apply it to various instruments or full mixes as a standalone app or AUv3 effect.
What's New in Harmonitron
1.0
July 21, 2026
Developer apps
FAQ
What makes Harmonitron's tremolo different from a standard tremolo?
Harmonitron creates a harmonic tremolo by splitting your sound into low and high frequency bands and modulating them in opposite phases. A standard tremolo typically only pulses the volume up and down.
Can Harmonitron be used with other music apps?
Yes, Harmonitron fully supports AUv3 audio effects. It can be used inside hosts like GarageBand, AUM, and Logic on iPhone, iPad, and Mac.
What instruments can Harmonitron be used on?
Harmonitron is versatile and can be applied to guitars, keys, synths, pads, drums, or even an entire mix. Its unique sound can add character to a wide range of audio sources.
How does the 'Voice' control work in Harmonitron?
The Voice control allows you to smoothly morph the effect from a classic in-phase tremolo all the way to a full harmonic swirl. This provides a wide range of tonal possibilities.
Does Harmonitron have ads?
No, Harmonitron does not contain advertisements. It is a paid application.
What is the price of Harmonitron?
Harmonitron is available for a one-time purchase of $2.99.
What devices does Harmonitron support?
Harmonitron runs on iPhone, iPad, and Mac devices. It is compatible with iOS, iPadOS, and macOS.
How often is Harmonitron updated?
Harmonitron was last updated on July 21, 2026, with version 1.0. Information on future update frequency is not provided.