BoatMonitor app is a remote anchor alarm that enables smartphone or computer to track a leisure boat's position at anchor, moored or in dock.
The app enables boat owners to relax and enjoy time ashore knowing their boat is secure, providing the following features:
• Live satellite map view of your boat's position relative to anchor
• Receive email and/or SMS (North America only) alerts
• Configurable alarm settings to suit the accuracy of your GPS
• Set anchor on map by current position or heading and distance
• Works in the background or when your device is asleep
• Configurable 'exclusion zone' within the anchoring radius
• Advanced averaging to maximize accuracy and minimize data usage
• Clear, easy-to-use interface
NATIVE APP ONLY
• Vibrate and/or alarm sound when outside safe zone
• Voice Alert reads out your distance and bearing to anchor (iOS)
• Operates in sleep mode
• Stays logged in
Detailed requirements are accessible here.