MCA Anchor Watch by 4+

Anchor Watch radius monitor

Designed for iPhone

    • Free

iPhone Screenshots


Anchor watch drift display and alerter.

Anchor watch drift display and alerter.
If you want to monitor your drift from a set point this app tells you when you reach the adjustable limit you have set.

AnchorWatch by warns you when you are more than a set distance from your starting point. If you sample set the limit to a 50 metre radius of your starting point, you mark your anchor point when you drop the anchor by a simple button press, and then the app tells you with a chime when you are more than that distance from their. When you move inside the 50 meter distance it stops warning.

Distance allowed is adjustable from 10 meters to unlimited.
Distance can be set in metric or imperial measurements; in meters, kilometres, yards or miles.
Simple adjustments, mark, start and stop buttons

It also displays the anchoring point as a blue marker on a map or satelite photo, and with a green radius ring around that marker. Current position is displayd as a green point that turns red if outside the green allowed drift ring.

Multilingual, can be adjusted to:
English, Norwegian, Danish, Swedish, German, French, Italian, Spanish, Portuguese, Dutch, Chinese, Polish, Russian, Japanese, Hindu and Arabic.
By pressing button near bottom right of screen marked "EN" in screenshot.

For more info, manuals andour other apps, visit our website:
Any questions email:

--- is a maker of several different apps within Social, Tracking, Exercise and Marine: Loggers, Trackers, Messengers, Event Organizers, Shift Displayers, Encrypters and also games and complete Airline Rreservations & Admin systems in a single app.
Find out all about them on our website


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WARNING: This app is completely dependent on your device, should be used for information only and is not to be depended on for the safety of yourself or your vessel.

App Privacy

The developer,, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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