Best iOpenGTS alternatives: apps like iOpenGTS

9+ similar apps compared and reviewed

4.1 avg rating
9 free apps
Updated November 2026

iOpenGTS is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to iOpenGTS

SEAiq Watch#2

SEAiq Watch by Sakhalin

Only for use with SEAiq Pilot
Strong Contender
🗺️ Navigation
5.0(1 ratings)
Free
SEAiq Watch screenshot 1

This companion app displays critical navigation data from SEAiq Pilot on your Apple Watch. It requires an Apple Watch, iPad, and iPhone, along with SEAiq Pilot installed on your iPad. Setup is detailed within the app itself.

More apps like iOpenGTS

4
Map Data Explorer
Map Data Explorer
Map Data Explorer
by Tech Maven Geospatial, LLC
Free

This advanced mapping application supports various data formats including GeoJSON, MBTILES, and GPKG. It offers tools for drawing, editing vector data, and collecting dynamic information. Visualize terrain in 3D and utilize a suite of navigation and measurement features.

Vector tile basemapsUser-loaded GeoJSON, MBTILES, GPKG dataMap catalog support
🗺️ Navigation
(1)
freemium
5
Sailing Master M
Sailing Master M
Sailing Master M
Sailing performance
Free

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.

Configurable data displays35+ sailing measurementsWind, route, and map displays
🗺️ Navigation
(1)
free with in-app purchases
6
Navigation Marine
Navigation Marine
Navigation Marine
Essential marine tools
Free

This marine navigation tool offers essential features for sailors and boaters, including a speedometer, position tracking, waypoint management, and distance measurement. It's designed to assist with sailing and anchoring.

Speedometer (knots, mph, km/h)Course over GroundPosition tracking
🗺️ Navigation
(0)
ad-supported
7
NMEA GPS Tether
NMEA GPS Tether
NMEA GPS Tether
by Lee Kien Yeong
Free

Share GPS data from another device to your iPad over WiFi. Ideal for devices lacking built-in GPS, allowing you to view location information on a map. Offers customizable runtime and update frequency.

Receive GPS data from other devicesView location on mapCustomizable runtime
🗺️ Navigation
(1)
free with in-app purchases
8
GPS Stone
GPS Stone
GPS Stone
GPX Recorder for Your Trips
Free

Record and export your trips in GPX format for detailed analysis and photo tagging. Track your journey in real-time with speed, altitude, and distance data. Review past activities like cycling, driving, or trekking.

Record and date tripsLive path tracking on mapAuto-restart recording
🗺️ Navigation
(7)
free
9
Logistics Local
Logistics Local
Logistics Local
by Gurtam Inc.
Free
🗺️ Navigation
(0)