Apps Like DragAlarm (Anchor guard) for iPhone and iPad
Set anchor alarm and track drag alerts
Monitor boat anchor status with . Set alerts if anchor is improperly secured and boat is dragging. Calculate swinging radius manually or automatically. View map with anchor location and swinging circle. Receive notifications when anchor is loose.
by Alejandro Martinez de Carvajal★ 1.01 ratingsNavigation$9.99Data updated 2026-09-08
The app provides tools for sailors to take apparent bearings, showing the bearing taken, target course, and wheel correction. It also offers speed, real-time position, and assistance in determining wind direction.
Monitor boat location with real-time alerts when it moves outside a set radius. Adjust and recalculate the monitored area precisely. View location history as a series of points. Connect two devices for remote monitoring.
Set location during or after installation using distance and bearing. Define allowed area as a circle or custom shape with angles and distances. Monitor movement and receive alerts when boundaries are exceeded.
Navigate using weekly updated nautical charts from NOAA. Plan routes manually or automatically. Record GPS tracks and store navigation data including markers and routes. Share data with others. Display tides and currents.
Track boat location and monitor status with real-time updates. Receive alerts for exiting circle, low battery, and lost GPS signal. View nearby anchored boats and their radius. Notify others in case of critical situations.
COLREGs offers flag identification, weather scales, cloud recognition, sound signal guidance, and vessel light details. Users can access navigation , interpret flags, and understand sound and light signals for safe boating.
Set position using Smart Drop or map selection. Monitor status and receive alerts. Access community data for sailing conditions. Track boat location and receive notifications if movement is detected. Share location with trusted contacts.
Navigation allows users to view and download marine charts automatically from NOAA and US Army Corps of Engineers. Create waypoints, routes, and tracks. Use night color modes and anchor alarm. Access weather data and chart measuring tools.
Monitor boat location in real time and receive alerts for drifting. Track vessel progress remotely. Set up preconfigured notifications for security events. Share live updates with designated contacts. Sync with other vessels for flotilla management.
View and manage security camera footage remotely. Request on-demand photos and videos. Adjust camera settings and access galleries. Receive real-time updates and notifications. Monitor 24/7 without requiring Wi-Fi or electricity.
Monitor boat position and anchor status in real time. Receive alerts if the anchor drags or moves unexpectedly. Track vessel location and set custom alarm thresholds. View historical data and manage settings for multiple vessels.
Monitor your boat's GPS position to detect drifting. Set location with a single click. Receive instant alerts if your boat moves. Track status and receive notifications when lines are ashore.
The app monitors an anchored boat and alerts users if it moves outside a defined region. It operates in the background, allowing simultaneous use of other applications on the device.
Navigation allows users to load custom charts in S-57, S-63, iENC, BSB, and KAP formats. It automatically downloads NOAA charts and raster maps. Users can create waypoints, routes, and tracks. Night color modes and anchor alarms are available.
View grib files with detailed wind and wave data. Display basic charts and simple instruments. Use anchor alarm feature. View shapefiles like SHOM data. Receive boat position input from external sources.