Great The only quick to use anchor watch app that works that I have found so far and I have tried many. The distance alarm idea is great as well for voyages approaching the coastline or hazards. Captain Ian Engelbrecht - Worldwide Yacht Deliveries
Does what it says Beautifully simple - which is a great safety feature. Minimal permissions. Looking forward to using it for real. It appears to use a lot of battery, even when closed and the GPS is turned off, unless you EXIT using the EXIT option (I should have read the excellent HELP pages more thoroughly).
05.14.2014 Version 1.3. Replaced the magnetic declination computation code for greater accuracy, updated help page.