The Windows Phone app which has gone free next as myAppFree app of the day is Fractal Mania. Using this app you can create complex shapes, using simple rules. Set the shape, size, changes in growth of branches and other properties.
You can also use the random values and save the fractal for later editing and create an image for any use.
Download it today, it is FREE!!!
You can download the app from the link given below.