i downloaded golflogix app and the sonocaddie 2 app from the play store. I have paid for both apps so i have all the features of both. I have to say that both are really really good. Sonocaddie is pretty basic for features but it gives u back center front greens locations as well as distance to all the hazards. It uses both google maps as well as a video game like layout(wgich is the best way).to illistrate the hole. It has a score card to track your score and putts.also...