Looking for a golf buddy? The TOURCaddie app could be the perfect partner. With an inventory of 40,000 courses worldwide, the free app uses GPS technology to display information like yardage maps, a 3D flyover of each hole and course statistics. While playing, golfers can use the app to keep score, store pictures and take notes at each hole. For even more technological assistance on the green, the TourCaddie Pro version ($29.99) offers club recommendations, more yardages and zooming capabilities, while the TourAcademy app ($9.99) presents videos on golf instruction and tips.