What are some alternatives?
When comparing Upsi and UDisc, you can also consider the following products
Disc Golf Metrix - Live scorecard and statistics for disc golf
DiscAtlas - All the Disc Golf info you want, right in your pocket! Find courses, browse discs, record rounds and more!
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.
Discore.io - Discore is the best disc golf scorecard app out there. Also available on iOS.
Scorecard Golf - Software to improve your quality of life.