VPAR does sell its own handheld device for the system (direct to clubs), but the advantage of using your own smartphone is that more venues are supported and there's one less device to carry with you.
Key features of the app include live scoring (matchplay, strokeplay, and stableford), friends and group messaging, performance stats, scorecard history, and game history. The app also integrates venue information, sharing via social networks, and a GPS mode that shows you where you are on the course.
Golfers are already well served by Windows Phone apps with titles like Nokia's exclusive Caddie+ and Golf Scorer providing functionality similar to the VPAT system. However, additional services can only expand the number of courses covered by the smartphone caddie, meaning it's more likely that you can leave your paper scorecard behind...
Windows Store description:
Used at 1000s of golf tournaments annually, VPAR is the world's most powerful live golf scoring system and is now available to every golfer directly on their phone.
VPAR’s interactive, game-changing technology provides you with a real time leaderboard as you are playing. Capturing all the excitement and adrenaline of the game, you track your progress, check out the competition, and see what’s happening live on the course as the game unfolds.
VPAR is a free download from the Windows Phone Store.