You could also try Disc Caddy. It's also available for iPhone now. It's designed to be super user-friendly. It's definitely not as feature-rich as UDisc, but has all the essentials - scorekeeping and navigating. It's also tightly knit with dgcr, so if the course is there, it's in the app too.
Yes, I am the developer. Feel free to drop a comment
Yes, I am the developer. Feel free to drop a comment