This app gives you a solar system model (or other system model) and allows you to manipulate it. You can add a planet or a star, set its mass and density, as well as its velocity. You can view at a glance the forces at play, as well as watch the bodies interact with each other.Make your own bodies of varying sizes and densities Set the velocity Set the speed of the simulator (faster or slower, as you wish) Change how quickly the mass will increase View (by toggle) the forces, trails, grid, and body labels Load or save your system
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.