Anchor Sentry

100+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Anchor Sentry is an app to monitor the ship's position at anchor and inform the skipper when the anchor is dragging and thus the ship leaves the speicified perimeter.

Features:
- Show current position on GoogleMaps map, Open Sea Map or Navionics
- Distance circles to help finding a good anchor position
- Drop anchor by tapping on map or by position or by bearing and distance
- Option to set up prohibited zones which will trigger an alert when entered. These can be used indepent of the anchor state
- Runs in the background even while other apps are used
- Unique sync functionality which allows to pair two or more devices together to see the ships position even while out to shore for dinner
- Option to show current position visible to friends and family on the Anchor Sentry website
- Proximity alert between ships both using Anchor Sentry. To get warned when your neighbours anchor is dragging.
- Several setup options to customize your app
Updated on
May 1, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location and Personal info
This app may collect these data types
Personal info
Data is encrypted in transit
You can request that data be deleted

What’s new

- New circle for seeing the distance to shore
- The recorded track can now be shown in 4 different colors, depending how old the trackpoints are.

App support

About the developer
Michael Dieter Konz
appledev@sioned.de
Im Dorfe 20 25492 Heist Germany
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