Golf GameBook is the best golf app for iOS smartphones. This app offers an integrated course map, GPS, and a rangefinder. It also allows you to track your scores on our live leaderboards and compete with your friends. 

How to use this app

Golf GameBook will automatically detect the current location of your phone and calculate the GPS coordinates. It will also give you a map with the course location. 

To calculate the range to the target, use the distance indicator and rangefinder. You can also use the golf shot distance to calculate the score.