A comprehensive overview of 50+ anchor alarm apps for iOS and Android, with detailed feature comparison chart to allow you to pick the best anchor app for your anchor watch.
Anchor scope calculator: Calculates required minimal anchor chain and/or anchor rope length based on vessel characteristics and weather / sea conditions. Calculates anchor load and pulling angle at anchor shank. Works with snubber, bridle, and just only rope. Chain not long enough? The Anchor Chain Calculator will tell you what effect this has. App available for iOS and Android.