SmoothSwing positions itself as a premium golf companion application, offering two primary functionalities: real-time shot tracing and comprehensive GPS course mapping. Marketed as 'The Original 360 Golf GPS' and featuring what developers claim is the world's first real-time shot tracer, the app targets golfers seeking technological enhancement to their game analysis and course navigation. The core shot tracing functionality operates through the device's camera, requiring white golf balls for optimal tracking accuracy. The system processes ball flight in real-time, creating visual tracers that illustrate shot trajectory. Simultaneously, the GPS component provides detailed course mapping with concentric distance rings that display yardages to hazards, targets, and landing zones. The Club Assistant feature allows users to input their typical club distances, which then suggests optimal club selection based on current GPS readings and shot requirements. User experience centers around a streamlined interface that switches between camera and GPS modes. The shot tracer activates through the camera view, while the GPS functionality provides interactive course maps. Real-world usage typically involves golfers recording shots during practice sessions or rounds, then reviewing trajectory data alongside distance measurements. The app's performance depends on environmental conditions, with developers noting that prolonged exposure to direct sunlight may cause device heating issues. User feedback consistently highlights the shot tracing capability as revolutionary for visualizing ball flight, particularly for older players or those with vision limitations. Reviewer Zerosum2 (June 14, 2025) noted the app eliminated frustration in tracking others' shots, while Golfer in Santa Barbara (May 17, 2025) praised its ability to capture exceptional drives. Multiple users, including campbesjtn (April 24, 2025), appreciate the GPS ring system for instant distance assessment. However, several reviews mention limitations, including kris propel's (June 16, 2025) observation about frame rate issues affecting video quality and widespread requests for expanded ball color support beyond white-only tracking. The application demonstrates significant strengths in its innovative shot tracing technology and practical GPS implementation, particularly valuable for golfers seeking to analyze performance or navigate unfamiliar courses. Limitations include hardware restrictions (incompatibility with iPhone 8, 8 Plus, and X), environmental constraints affecting performance, and the white-ball-only tracking requirement. The app serves best as a training and analysis tool for intermediate to advanced golfers who primarily use white balls and newer iOS devices.