DragAlarm (Anchor guard) for iOS

Now you can relax! With this anchor drag alarm you can relax on your boat while she stands guard and notifies you if your anchor is dragging.- No internet connection required. (Only for email alert)- Change the units.- Alert email: send the data alert to any email you want.- We recommend using the app with the iPhone/iPad plugged in.- Possibility to adjust more range when the signal is poor.- Function "High accuracy GPS" for greater accuracy.Drag Alarm use the device's GPS antenna, not all iOS devices have this built-in antenna.Devices with GPS antenna:- iPhone- iPad Wifi + Cellular Mini iPad Wifi + Cellular "Continued use of GPS running in the background can dramatically decrease battery life."Marinus, improving the maritime sector.