The Gallus Golf app is a custom mobile app that golf courses can use to: 1) Connect with customers through their smartphones and enhance their golfing experience. 2) Bring customers back through features like free on-course GPS, social media integration, and push notifications. 3) Increase revenue by filling more tee times, selling more food and drinks, and gaining more tournaments and repeat players. According to golf course managers, the app improves the customer experience and boosts their bottom line.