xFractal

Explore the infinite beauty of fractals with your fingertips. Pinch to zoom, drag to pan, and dive into the endless detail of the Mandelbrot set and its relatives — rendered in real time on your device's GPU. xFractal, first released in 2008, is back — rebuilt from the ground up for today's iPhone and iPad. FEATURES: • Mandelbrot, Julia, Newton and Multibrot fractals • Deep zoom: magnify the Mandelbrot and Julia sets more than a trillion times • Four classic palettes — Hot, Cold, Gray and Chromatic — with smooth coloring • Julia presets (Dendrite, Spiral, Rabbit, Galaxy, San Marco), Multibrot exponents 2–8, three Newton polynomials • Replay: watch your whole exploration animate back as a short movie • Picks up exactly where you left off • Free and open source Deep zoom uses K. I. Martin's perturbation technique.