What are some alternatives?
When comparing Upsi and DiscGolfCourseReview, you can also consider the following products
DiscAtlas - All the Disc Golf info you want, right in your pocket! Find courses, browse discs, record rounds and more!
DiscGolf Lite - 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.
Disc Golf Metrix - Live scorecard and statistics for disc golf
UDisc - UDisc can keep score, measure throws, find courses, and track stats. UDisc Cloud syncs scorecards between the players on your card.
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.
Golfshot - Golfshot is the #1 provider of pre-mapped aerial image courses.