BoatSpeedo is a free GPS speedometer app designed for sailing and motor boating enthusiasts. Developed by Westapps, this app offers a large and clear display, making it easy to read and use. BoatSpeedo can measure speed in knots, mph, and km/h, and users can easily switch between these units with just a few taps.

Unlike other boat speedometers that use probes or paddle wheels, BoatSpeedo measures speed based on the actual distance traveled. This means that it is not affected by the speed of the water, including tides and currents. The app's GPS-based speed measurement ensures accuracy and consistency, making it an essential tool for boaters who want to monitor their speed during their sailing or motor boating adventures.

Overall, BoatSpeedo is a straightforward, user-friendly app that provides accurate speed measurements for sailing and power boats. Whether you're a seasoned sailor or a beginner, this app is a must-have for anyone who wants to keep track of their boat's speed.