Re: Measuring slope angle
Does your phone app. have a name? It's difficult to evaluate a product without knowing who markets it. You can test your app. on known slopes and if the results are accurate I'd say you certainly can rely on them in a hunting environment.
I have a great woman, fantastic kids, a warm place to sleep and an accurate rifle. Life is good ..............
Hunter Safety Instructor - Rifle/Pistol Marksmanship Instructor - NRA Life Member
American rifleman's triad - God, guts and guns. It built America and it'll preserve America. Abandon one and you lose them all.