Arcs 21 4+


Designed for iPad

    • 3.0 • 1 Rating
    • $0.99



* See also my other Applications: Philia 01 and PhiLia 02

Arcs 21 originates from an online Software Art project by Austrian artist Lia – one of the early pioneers of Software and Net Art. The original work deals with mappings between color space and architectural space. The viewer is drawn into a world that is constructed around them, with which they can interact in a playful way. Interaction alters the behavior of the elements which construct the image, allowing for an infinite range of possible results.

From December 2009 until April 2010 the original Arcs 21 can be viewed in the Victoria & Albert Museum as a (non interactive) work, in the scope of the exhibition "Decode: Digital Design Sensations."

Now with the iPhone version of Arcs 21, you can carry around this art creation tool in your pocket and use it wherever art is needed.

Various controllable parameters allow you to influence the creative process, sculpting the development of the artwork on your screen. An element of random influence means that no generated image will be the same as any other. Additionally, the application makes use of the iPhone's multitouch to reposition the elements in an indirect but intuitive way, further enhancing your sense of engagement within the work.

If you like one particular creation, you can save it as a Photo by accessing the Menu, and it can decorate your iPhone with a totally unique, personal image.

What’s New

Version 1.5

This app has been updated by Apple to display the Apple Watch app icon.

Updated for latest iOS version. Added iPad version.

Ratings and Reviews

3.0 out of 5
1 Rating

1 Rating

TonyM_Atlanta ,

Unique Calm

I found this app by accident and it was the perfect thing for counteracting holiday stress. Completely engrossing and beautiful. All it needs is ambient music.

Ladylonglocks ,


What use is a generative art application if you can only save at low res? The answer is NO use. You can't even change the horrendous color palette. Waste of money, spend yours elsewhere.

Katybug_jo ,

Horribly boring!

You don't draw anything, you sit and watch the program draw arcs. It's so boring. I really wish I wouldn't have wasted my money :(

App Privacy

The developer, Lia, 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

    Up to six family members can use this app with Family Sharing enabled.

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