ripido?

Measuring (with an original technique) the slope of a slope or channel while practicing extreme skiing and / or extreme. Can easily be used in particular conditions (ie during a descent or a very steep climb, with gloves and in precarious equilibrium conditions). To limit the app can also be used without removing the smartphone from its case. Another notable detail: records in an archive some data (including the slope) of your descents.
Also in French and soon in English.