Stableford Scorer is very simple app to use. Just adjust the four sliders for Player's Handicap; Stroke Index for the Hole; Hole Par and Player's Shots (The number of shots you took to complete the hole). The app does the rest for you showing your Stableford Points above the Sliders.
The app is covers: Player's Handicap 0 - 36; Stroke index 1-18; Hole Par 3-5; Player’s Shots 1-11
The app uses the Stableford points system as detailed in the R&A USGA 2019 rules.