Disc Caddy is described as 'disc-golf scorekeeper for Android and iPhone. It's designed to be easy and fast to use while playing'. There are more than 10 alternatives to Disc Caddy for a variety of platforms, including iPhone, Android, Windows Phone, iPad and Apple Watch. The best alternative is DiscAtlas. It's not free, so if you're looking for a free alternative, you could try Disc Golf Metrix or Upsi. Other great apps like Disc Caddy are FreeCaddie (Freemium), Discores (Free), Who's Your Caddy (Free) and Easy Scorecard (Freemium).
Scorekeeper, course mapper, statistics/charts/diagrams, throwing distances & much more! DiscGolf is an advanced disc/frisbee golf scorekeeper which offer great design coupled with tons of functionality for phones and tablets.