Build a universe
All My Planets
Make friendly stars, planets, moons, comets, and asteroid belts—then fly in for a closer look.
Apps by Bismuthman
Make a world.
Make some noise.
Playful, private creative tools for kids—and straightforward choices for the grown-ups in mission control.
Tell your story
My Radio Show
Record a whole show, add sound effects, and keep every big idea private on the device.
The Bismuthman promise
More making. Less internet.
Our kids' apps are designed without ads, public profiles, or attention traps. Creations stay on the device unless a grown-up deliberately chooses otherwise.