SIMION is a leading software package recognized as the industry standard for the simulation of electron and ion optics. With over 30 years of experience, SIMION is widely utilized in both academia and the industrial sector, including major manufacturers of mass spectrometry equipment. The software excels in calculating electric fields and the trajectories of charged particles, allowing users to refine designs through comprehensive modeling, simulation, and analysis. Key features include extensive geometry definition options, interactive visualization of particle trajectories, and programmability that supports user-driven customizations.

The platform supports various applications, from simple electrostatic lenses to complex systems like ion traps and time-of-flight devices. Recently enhanced capabilities include improved magnetic field support and programmable control over low-frequency RF fields. SIMION runs on both Windows and Linux, and users benefit from a wealth of documentation and community support. Its affordability, combined with solid performance, makes SIMION a versatile and essential tool for professionals working with charged particle optics systems.