Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To download the free app DragQueen Anchor Alarm by ActiveCaptain, get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download
iTunes for Mac + PC

DragQueen Anchor Alarm

By ActiveCaptain

Open iTunes to buy and download apps.


DragQueen is a simple anchor alarm. It provides distance and GPS accuracy alarms along with an alarm delay. The alarm is quite annoying and is the perfect thing to waken you at night if it detects anchor dragging to your specifications.

Never use DragQueen as the sole source for any type of navigation.

The source code is available at:

What's New in Version 1.2

If a lot of background processing occurred on the device, the GPS wouldn't respond fast enough and DragQueen would think that the GPS was no longer available. This version increases the time allowed for GPS response to remove that problem.

iPhone Screenshot

iPhone Screenshot 1

Customer Reviews

A must have for boaters who anchor overnight

I just returned from another month long trip in the Bahamas out of which all but 2 nights were on the hook and used Dragqueen every night. Two words: it works

Indeed the previous version had an issue where it would occasionally shut down in certain conditions but the new one works perfectly.

The key is to set the alarm point for the conditions you are in depending on scope, nearby boats or obstacle. Fir instance when in areas where current reverses with tides and space is limited (in Bahamians cuts or in ICW tidal creeks) I always set it tight to be alerted when the current switches.

iPhone GPS reception is good enough to use it below deck

Suddenly went nuts!

Firstly, I have to say it's a great app, started out fine, and matched my Garmin GPS's distance to anchor within 3 ft.
However... At about 3am, the wind shifted about 90o, and suddenly the alarm went off (nice and LOUD too!) It said the anchor had gone from 60ft to over 120ft distance, which it hadn't, thank god.
Seems just a small bug somewhere in the calculation, when the wind was in the same direction, it was perfect.

Fabulous ap

I have a mophie on my iphone 6 so i have plenty of battery. It didnt work first time i loaded it, so i removed and reloaded it, works perfectly. I will never anchor at night without it.

DragQueen Anchor Alarm
View in iTunes
  • Free
  • Category: Navigation
  • Updated:
  • Version: 1.2
  • Size: 9.1 MB
  • Languages: English, Czech, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish
  • Seller:

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions:

More iPhone Apps by ActiveCaptain