Stream real-time GPS NMEA location data from your iPhone or iPad to other devices. Ideal for advanced navigation software and enthusiasts who need external GPS capabilities.

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10+ similar apps compared and reviewed
Whether you want more options like qtVlm or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.












Stream real-time GPS NMEA location data from your iPhone or iPad to other devices. Ideal for advanced navigation software and enthusiasts who need external GPS capabilities.

Stream real-time GPS NMEA location data wirelessly to your computer or other devices. Ideal for navigation enthusiasts and sophisticated software that uses external GPS units. This free version allows you to test its capabilities before purchasing the full-featured application.






This app provides comprehensive sailing data and performance optimization on various Apple devices. It displays over 35 sailing measurements from boat instruments, polars tables, and nautical charts, offering detailed wind, route, and map views. Connectivity is established through NMEA 0183 Wi-Fi gateways.


This app provides advanced celestial navigation computations for iPhone and iPod touch. It offers mathematical and graphic solutions for position fixes, great circle sailing, and more, including lunar distance methods and a sight planner for accurate results.


This app provides real-time marine data from your ship's navigation system directly to your mobile device. Monitor navigation, wind, and depth information at a glance for enhanced safety and performance on the water.


This app provides a customizable dashboard for monitoring and controlling boat systems. It integrates with various marine electronics and offers features like alarm notifications, autopilot control, and chart display.


Access your boat's marine instrument data on your iPhone, iPad, or Apple Watch. Displays real-time wind, speed, depth, and GPS information in an easy-to-read dashboard. Supports NMEA 0183, NMEA 2000, and Signal K.


This professional celestial navigation app allows users to accurately determine their position using a sextant to observe stars, planets, and the Sun. It features a 3D sky map and integrates with the device's native map for celestial fixes. Users can utilize either their current device location or dead reckoning for navigation.


Transform your Apple device into a comprehensive chart plotter for marine navigation. Access real-time GPS, AIS overlays, and route planning tools. Unlock advanced features like live internet AIS feeds and augmented reality through in-app purchases.


This app simplifies celestial navigation using a sextant, providing tools to calculate your position at sea. It offers automated calculations or manual table access, with features for observation archiving and compass checks. Ideal for learning and practicing traditional navigation methods.