A frustrated golfer created DelayCam, a free app delivering instant replay of athletic movements. The tool solves a core problem: a golf swing lasts just 1.5 seconds, leaving no time for real-time analysis. Traditional feedback—asking a partner or reviewing footage later—often misses the crucial connection between physical sensation and visual form.

The app's premise is simple: set a phone on a tripod, choose a delay of 5-8 seconds, and hit a shot. Immediate visual feedback follows automatically. This creates a tight loop where athletes can feel a movement, see it instantly, and adjust on the next attempt. The creator, a golfer himself, built it for sports training but found it perfect for swing work.

Available on iOS and Android, DelayCam is free and targets golfers, dancers, and fitness enthusiasts. The developer is actively soliciting user feedback to refine features. For practice sessions, the tool eliminates guesswork and expensive lessons by making self-correction practical and immediate, turning the range into a true learning lab.