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Fractarium

Watch fractals come to life – stroke by stroke, level by level.

Download on the App Store

Free for iPhone and iPad · iOS 27 or later

The Apollonian Gasket, drawn by Fractarium

What it is

Fractarium draws seventeen fractals in front of your eyes. Change depth, angle and speed while it draws, scrub through the timeline, zoom in with two fingers and save the result as an image, video, vector graphic or wallpaper. Press and hold a point of the Mandelbrot set, and the Julia set for exactly that point opens.

Free · no ads · no in-app purchases · no account · available in English, German and Norwegian.

New in version 1.4

  • Exhibition: curated fractals take shape full screen, one after another – for projectors, shop windows and classrooms; configurable via MDM
  • Press and hold a point of the Mandelbrot set to open its Julia set
  • Three new fractals: Lévy C Curve, Peano Curve and Sierpinski Arrowhead
  • Export as a wallpaper in the exact size of your screen

For schools and organizations

Fractarium is free through Apple School Manager and Apple Business Manager as well. The app collects no data and needs no account, which makes it a good fit for class sets, loaner devices and exhibitions.

The exhibition shows selected fractals full screen as they take shape, one after another, without any controls, and keeps the screen on. Start it from the gallery; with MDM you can preconfigure it, all the way to launching straight into the exhibition with no way out. The keys are listed under Help & contact.

Help & contact

Frequently asked questions and how to reach me: Help & contact.