Out of 111+ nautilus gps apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
This utility app uses your iPhone's camera flash to program a unique MMSI number into a compatible marine rescue GPS device. This allows the device to send Man Overboard and emergency distress signals via AIS and DSC.
This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.
What We Love
🚀 Excellent navigation tool
👍 Easy to use and intuitive
🗺️ Detailed and accurate charts
💡 Helpful features like AIS, weather, and fuel prices
Room to Improve
🐛 Occasional issues with map downloads and disappearing charts
🔍 Lack of intuitive route planning functionality
🔍 Slow map loading and tracking issues in certain areas
This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.
Nautilus GPS tops our nautilus gps apps ranking as of July 2026, with a 1.9-star average from 12 App Store ratings, and it's free to download.
Are there free nautilus gps apps for iPhone?
Yes — 18 of the top nautilus gps apps we rank are free to download, including Nautilus GPS and Aqua Map Boating.
Does Nautilus GPS have ads or in-app purchases?
Nautilus GPS has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
How many nautilus gps apps are on the App Store?
We track 111+ nautilus gps apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
What is Nautilus GPS used for?
Nautilus GPS is used to program your Nautilus Marine Rescue GPS device with an MMSI number using your iPhone's camera flash. This enables emergency signaling capabilities.
Does Nautilus GPS require an MMSI number to operate?
No, an MMSI number is not required to operate the Marine Rescue GPS device itself. The app is used to program this number into the device.