GOLFAI is a free-to-use golf swing diagnostic program developed by NTT DOCOMO INC. It is a lifestyle app that falls under the sports subcategory. Using GOLFAI, golfers can analyze their swing in real-time, get insights on their weaknesses, and improve their swing based on the AI-powered recommendations. The app also allows golfers to compare their swing with that of professional golfers, making it an excellent tool for those who want to learn from the best.

The app features two main functions: swing visualization and AI swing diagnostics. The swing visualization function enables golfers to see their posture and clubhead path at each position. The AI swing diagnostics function diagnoses the golfer's swing type and weaknesses and provides personalized training videos to improve their skills. GOLFAI also allows golfers to compare their swing with that of professionals and score the similarity between the two. GOLFAI is compatible with iOS 13 or later and can be used on both iPhones and iPads.