inSpiration Free app for iPhone and iPad

To watch a brief demo video/advertisement of inSpiration+, visit goo.gl/NYOcI.

Remember that old Spirograph you played with back in the day? Even if that day was yesterday? Now you can play again with one in all its new digital glory with inSpiration! inSpiration has all of the benefits of the physical toy without the hassle of slipping gears and pens running out of ink. Never played with a Spirograph? Have no fear, inSpirations intuitive interface lends itself to experienced spirographers and beginners alike.

Features:
-Watch inSpiration draw fully animated spirals
-Control pen distance and gear size
-Intuitive and easy to use interface
-Change line color
-Overlay as many drawings as you want
-Math geek? Edit parameters with precision to find the patterns behind the beauty

Upgrade to inSpiration+ to disable ads and get:
-A variety of drawing speeds
-Have your gears draw in or outside each other for even more design options
-Change line thickness
-Take screenshots and make home screen backgrounds
-Change background color
-Pressed for time? Skip all the drawing stuff and get that spiral to you instantly

Math fact: The mathematical term for the spiral designs made by inSpiration is a trochoid. Specifically, if the moving circle is on the inside, you draw a hypotrochoid; if it rolls around the outside, an epitrochoid is drawn.