1. PGA Tour App
The official PGA Tour app (PGATour.com, Free) provides schedules, real-time scoring, video highlights and player stats. If you’re unfamiliar with a certain course, the app also offers course profiles complete with images of each hole. Live video is available for some competitions.
Still sketchy on some of those obscure golf rules? The United States Golf Association’s The Rules of Golf app (USGA, $3.99) offers on-demand access to every golf rule imaginable. A search function makes it easy to find the rule or decision you’re looking for, and if you get stuck, you can email your question to the USGA directly from the app.
For quick access to the latest scores, the Sportacular app (Citizen Sports, Free) is a good choice. In addition to a variety of other sports, Sportacular offers scores for the PGA, LPGA, and EURO PGA tournaments. You can also set up push notifications that will alert you when new scores are posted.
5. ViewTi Golf 2010
What better way to pass the time during commercial breaks than playing one of the most popular iPhone golf games -- Tiger Woods PGA Tour (Electronic Arts, $4.99)? You can listen to your iPod playlist while you play tournaments on one of seven courses. Multiplayer games over Bluetooth or Wi-Fi are also an option.