Experimental FM Synthesizer

Contains ads
4.3
138 reviews
10K+
Downloads
Content rating
Everyone
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About this app

Create complexly bizarre sound effects and intellectual experimental music while learning about FM Synthesis.

Move some of your fingers around the screen, and listen to the sound transform.

Annoy your teacher. Annoy your friends. Annoy your mom. Annoy your neighbour's dog. Annoy your own dog. Annoy your grandma (if she didn't got dead yet). Annoy yourself. Annoy annoying people. Attach your phone to a massive speaker and annoy the entire world.

Play around with a responsive UI that intuitively shows how your fingers control the sounds that are synthesized.

Explore the custom settings to open up a diverse world of unlimited possibilities with precision control.

If you don't understand the settings, thats fine too! Just mess them up anyways and see what happens. Don't worry, because you can always reset them back to defaults.

Explore the in-app help pages to learn all about the app and the basics of FM synthesis!
Updated on
Dec 1, 2021

Data safety

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Ratings and reviews

4.4
126 reviews
A Google user
March 29, 2020
THIS IS THE GREATEST APP EVER. I am one of the very few people who tolerate and actually enjoy noise music, and recently I've looked into making my own. Unfortunately, they aren't too many programs that are practically useful for this. This app is so simple and great, not to mention, it's free! I've already spent hours using it. Super easy to use, really giving props to the dev here. One thing I would like to see added is a way to record and export, and possibly a one-tap frequency hold. Thanks!
6 people found this review helpful
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A Google user
February 21, 2020
Easily the absolute best FM synthesis app I have ever used. It's perfect for free improv and more structured music, and the control method is perfect for performing gestural figures for music that does not rely on discreet pitches. If you want to use this app as a control surface for melodic music you'd need to route it through a vocoder. The recent addition of multiple waveforms beyond sine is a massive boon, and the app is very configurable. I'll use this one for a long time! Thank you, dev!
7 people found this review helpful
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Eric Veliquette
May 5, 2023
Mind BLOWN! The developer of this app must be a very special person to not only come up with this extremely intuitive and simple hands-on synthesizer, but to give it away for free! Its an instrument, a learning device and a tool all in one! They even added an option in the settings to disable the ads if they are bothersome, still free! Try to keep the ads on though folks because its the least we can do to support the developer. Wow, just wow!
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What's new

Bug fixes