Best Nautical Navigation Chart Apps

167+ iOS apps curated and reviewed

3.8 avg rating
14 free apps
Updated September 2026

i is the household name in nautical navigation chart, but it's far from the only option. We track 167+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Nautical Navigation Chart Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (15K)NoYesSep 2026
2Savvy Navvy: Boat NavigationSavvy Navvy: Boat NavigationFree4.7★ (8K)NoYesSep 2026
3Marine Navigation LiteMarine Navigation LiteFreeYesYesSep 2026
4NV Charts GPS Navigation AISNV Charts GPS Navigation AISFree4.5★ (114)NoYesSep 2026
5NOAA Nautical Charts & MapNOAA Nautical Charts & Map$5.993.4★ (15)NoNoSep 2026
6Nautical Charts & MapsNautical Charts & Maps$8.994.6★ (3.8K)NoNoSep 2026
7iNavX: Marine NavigationiNavX: Marine NavigationFree4.8★ (22K)YesYesSep 2026
8PRO CHARTS - Marine NavigationPRO CHARTS - Marine NavigationFree4.5★ (8.5K)NoYesSep 2026

Top Picks for Nautical Navigation Chart

i-Boating: Marine Charts & Gps#1

i-Boating: Marine Charts & Gps by Bist LLC

Lake Depth Map,Sailing Plotter
Editor's Choice
🗺️ Navigation
4.5😊(15K ratings)
FreeIn-App Purchases
i-Boating: Marine Charts & Gps screenshot 1
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i-Boating: Marine Charts & Gps screenshot 3
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i-Boating: Marine Charts & Gps screenshot 6

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

What We Love

  • 🚀 Accurate GPS and navigation
  • 🗺️ Detailed nautical charts
  • 📊 Helpful fishing and structure information
  • 🔍 Useful for finding unexplored fishing spots
  • 💻 Offline functionality works well

Room to Improve

  • 🌐 GPS/location issues, inaccurate positioning
  • 💰 Expensive recurring subscription model
  • 🔁 Difficulty restoring purchased content on new devices
  • 🔧 Poor customer support and lack of response
  • 📦 Missing coverage for some lakes/waterways
Savvy Navvy: Boat Navigation#2

Savvy Navvy: Boat Navigation by savvy navvy

GPS, Nautical Charts, Boating
Strong Contender
🗺️ Navigation
4.7😐(8K ratings)
FreeIn-App Purchases
#30in Navigation
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Savvy Navvy: Boat Navigation screenshot 6

This app provides comprehensive marine navigation, integrating charts, weather, tides, and GPS tracking. It simplifies route planning and offers real-time safety data to ensure confident and enjoyable time on the water for various boating activities.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful for navigation
  • 🌊 Accurate charts and data
  • 💡 Useful features like weather and tide info
  • 👍 Great for planning routes
  • 🌟 Comprehensive boating app

Room to Improve

  • 🐛 Buggy and crashes
  • 💰 Expensive subscription
  • 🗺️ Missing chart data for some areas
  • 🤔 Confusing to set up
  • 🔋 Drains battery quickly
  • 🤷‍♀️ Lacks some key features

More Nautical Navigation Chart apps to explore

FAQ about Nautical Navigation Chart

What are the best nautical navigation chart apps for iPhone?
i-Boating: Marine Charts & Gps tops our nautical navigation chart apps ranking as of September 2026, with a 4.5-star average from 15K App Store ratings, and it's free to download.
Yes — 14 of the top nautical navigation chart apps we rank are free to download, including i-Boating: Marine Charts & Gps and Savvy Navvy: Boat Navigation.
i-Boating: Marine Charts & Gps has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 167+ nautical navigation chart apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides detailed marine charts and GPS functionality for navigation on waterways. It allows users to plan routes, receive voice-guided navigation, view tide and current predictions, and record their tracks. The app offers extensive map coverage for various regions and inland rivers.
Key features include hardware/GPU accelerated vector charts, long-press object details, customizable units, track recording with real-time overlay, voice prompts for navigation, GPX/KML route import, tide and current predictions, and seamless chart quilting. It also supports NMEA AIS and GPS instrumentation.