Monitors the anchoring position of a boat and warns the crew if the anchor drags
100+ downloads
About Anchor Sentry
Anchor Sentry is a maps & navigation app developed by Michael Dieter Konz.
Download Statistics
Anchor Sentry has been downloaded 430 times. In the last 30 days, the app was downloaded 7 times. It is ranked #118 in maps & navigation.
User Ratings
The app has no ratings yet.
App Information
Anchor Sentry costs $4.49 to download. The APK download size is 51.85 MB. The latest version available is 1.4.7. The last update was on July 13, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play March 2023.
Description
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
Recent changes: - Fixed some potential problems due to timing issues - Fixed some server connection problems. - Stale proximity boats will no longer trigger an alert - Improved suppression of false alerts by implementing a new accuracy filter. - See version history for details.
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All the described and pictured functionality would be really good, but the app is not mature and well tested on Android platforms. Even with background location enabled in Android the app has errors reported in the log because it goes for more than 60s without receiving an updated location. The developer needs to understand the Android location API. It also raises alarms when not expected, and the status bar doesn't show the reason for the alert. This is on a Pixel 7A device.
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