Anchor Watch vs Anchor Sentry Usage & Stats

Yachting Magazine: "probably the best dollar you've ever spent" For more than a decade Anchor Watch has set the standard when it comes to guarding your boat and with over 40,000 users you know your boat is in safe hands. "Anchor Watch" uses the GPS on your smartphone to monitor your boat's position. If the boat moves outside its limits, the program will alert you immediately. Not only on your device but on any device using your iCloud id. No more sleepless nights, worrying whether your boat is dragging or not. Sleep sound knowing that a quick glance will assure you that all is ok. When you are onshore for dinner or a drink, you will receive an alert the moment your boat leaves the designated area. You can even track it in real-time. The third generation of Anchor Watch has been rebuild from the ground up to provide the best user experience. It features sea maps navigation and nautical maps. It conserves bandwidth and still uses sophisticated GPS filtering, which avoids false alerts. You can also run it twice as long on the same battery. Anchor Watch is meant to keep your boat safe, download now.

Apple App Store
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Anchor Sentry

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 setup perimeter. Features: - Show current position on GoogleMaps map or Navionics map (To gain access to Navionics maps from this application, users with an active Navionics subscription in the Navionics Boating application must register with their Navionics credentials) - Distance circles to help finding a good anchor position - Drop anchor by tapping on map or by position or by bearing and distance - Can be used for anchoring with shore lines by watching the heading rather than the position - Tracks can be saves as GPX file for later processing - 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 - Barograph function included - Display real echo sounder data from a providing NMEA server - Optional compass overlay to help finding the bearing to the anchor - 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. - Automatic anchoring feature - Display maximum swinging circle - Save favorite anchoring places with pictures - Several setup options to customize your app