Microcosm: Granular Synthesis Sound Toy

*Updates are on the way. We're going to address the lack-of-sound problem that some users have experienced, and include some fun new features.

Microcosm is a sonic cloud, made of thousands of grains of sound. It works like a snow globe. Move the device in any direction and gravity pulls the particles towards earth, causing the sound to evolve. Shake Microcosm and the sound shatters into pieces. Choose from several included soundscapes.

+ Features:

+ Real-Time Granular Synthesis sound engine.
+ Particle physics engine with color dynamics and accelerometer controls
+ 3D audio positioning – zoom in to hear the sounds up-close, or zoom out to hear them from far away.
+ 3 soundscapes based on high-quality audio samples (more coming soon!)

+ What is Granular Synthesis?

Essentially, Granular Synthesis works by cutting up an audio recording into incredibly small pieces, and then playing these 'microsound' clips in unconventional ways. The result is a soundscape, or cloud.

For more details, see:

+ Who made this?

Microcosm was developed at Apposite Labs, a California based technology company which specializes in experimental user-interface design.

+ Audio Licensing Information

Microcosm includes audio samples from We would like to thank the original creators and credit their work:

What’s New

Version 1.12

+ Fixed audio glitch
+ Physics engine improvement
+ Optimized memory usage

Ratings and Reviews

3.1 out of 5
22 Ratings

22 Ratings

Fang Cheah ,

Under the spell

Entrancing and meditative interface that responds in kind to the shakiest (or subtlest) change in the phone's orientation; beautiful sounds

kepafu ,

My ten yr old son loves it!

He mostly likes shooter games, but he really loves this--I think because it sets up a very elemental and engaging relation between scale and space--(or maybe that's the reason I love it)--Keep going!

pitchforkkid ,

Great app!

Cool app. Music and graphics react with the movement or shaking of the phone and you can change the color and tones. Nice to meditate to! Get it!

App Privacy

The developer, Apposite, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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