What are some alternatives?
When comparing JLGolf and DiscAtlas, you can also consider the following products
Golfshot - Golfshot is the #1 provider of pre-mapped aerial image courses.
Disc Golf Metrix - Live scorecard and statistics for disc golf
FreeCaddie - The Original Golf GPS App, with most accurate Golf GPS Coordinates and Golf Course Maps, FreeCaddie is the completely free golf GPS rangefinder for your phone.
Upsi - Upsi app for disc golfers. Ready to play – no registration needed. Invite friends, decide on time and place. Follow your friends' games LIVE!
mScorecard - mScorecard™ is the ultimate golf scorecard, statistics and GPS software.
GolfTraxx - GolfTraxx iPhone edition v1.2 updates the popular GolfTraxx Golf GPS solution to iPhone 3G users.