Nifty app
I dont use the app much but it was the best of all that I have tried. The aster doesnt seem to work that often so I use the gps more. I plan on getting readings form the bottom to the top of the lifts at the resorts I board at. Hopefully if the gps isnt accurate it will be the same error at both locations so it wont matter. Otherwise it is kinda cool to know about how high you are.
RiderRich about
Altimeter+