Polycam is an app that uses LiDAR scanning and photogrammetry to capture reality. It can transform real-world objects into 3D models and supports 3D scanning and model downloading on iPhone, iPad, Android, and Web. Key features include high-precision scanning, rapid 3D model generation, visual editing and measurement tools. It is ideal for users who require 3D scanning and modeling capabilities, such as architects, designers, and artists. Polycam offers both free and paid versions, with the paid version providing more advanced features and larger model export sizes.