Primitive for macOS is described as 'Based on the author's open-source Primitive project, Primitive for macOS adds a super intuitive interface to make it dead easy to process images, recreating them with primitive shapes like triangles, rectangles and bezier curves' and is an app in the Photos & Graphics category. There are five alternatives to Primitive for macOS for Linux, Online / Web-based, Self-Hosted solutions, Mac and Windows. The best alternative is Geometrize, which is both free and Open Source. Other great apps like Primitive for macOS are Primitive (Free, Open Source), Altered Qualia (Free, Open Source), Shapeme (Free, Open Source) and Genetic Art (Free, Open Source).
Altered Qualia Evolve takes an input image and reproduces it using shapes of various colors and transparencies. It uses a simulated annealing-like optimization algorithm based on the great work of Roger Alsing.