Boat Knot Meter: Anchor Watch
Marine GPS speed, drift alarm
About
This app provides accurate GPS speed in knots for boats, featuring an anchor watch with drift alarm and a no-wake zone alert. It works offline and prioritizes user privacy with no ads or tracking.
What's New in Boat Knot Meter
1.0
April 29, 2026
Developer apps
FAQ
Does Boat Knot Meter have ads?
No, Boat Knot Meter is completely ad-free. The developers emphasize a user experience free from advertisements and tracking.
How accurate is the GPS speed on Boat Knot Meter?
Boat Knot Meter provides real GPS speed over ground (SOG) in knots with 0.1-knot precision. It includes a glitch guard to suppress GPS spikes and indicates fix accuracy (Waiting, OK, Weak, Lost).
Can Boat Knot Meter be used offline?
Yes, Boat Knot Meter works offline once it has a GPS lock, meaning no cell signal is needed in open water. This makes it reliable for areas with poor connectivity.
What is the anchor watch feature on Boat Knot Meter?
The anchor watch feature allows you to set a safety radius around your anchored boat. If the boat drifts beyond this radius, the app will sound an audio and vibration alarm.
Does Boat Knot Meter track user data?
No, Boat Knot Meter is designed with privacy in mind. Zero data leaves your phone; there are no analytics, crash reporting, cloud services, or third-party trackers.
What devices is Boat Knot Meter compatible with?
Boat Knot Meter is available for iPhone and iPod devices. It is designed for iOS operating systems.
How often is Boat Knot Meter updated?
Boat Knot Meter was last updated on April 29, 2026, with version 1.0. This indicates it is a recent release, and future updates can be expected for improvements and new features.
Is Boat Knot Meter suitable for professional navigation?
No, Boat Knot Meter is not a substitute for certified marine instruments or professional navigation. It is focused on being a reliable boat speedometer and anchor watch, not a chartplotter or collision avoidance tool.
