Best Offline Nautical Charts App

87+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated July 2026

The best offline nautical charts app on iPhone average 4.3★ across 87+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Offline Nautical Charts App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)NoYesSep 2026
2Simrad: Companion for BoatersSimrad: Companion for BoatersFree4.6★ (2.5K)NoYesSep 2026
3Nautical Charts & MapsNautical Charts & Maps$8.994.6★ (3.8K)NoNoSep 2026
4Savvy Navvy: Boat NavigationSavvy Navvy: Boat NavigationFree4.7★ (8K)NoYesSep 2026
5Fishing Points: Map & ForecastFishing Points: Map & ForecastFree4.7★ (31K)YesYesSep 2026
6PRO CHARTS - Marine NavigationPRO CHARTS - Marine NavigationFree4.5★ (8.5K)NoYesSep 2026
7C-MAP: BoatingC-MAP: BoatingFree4.5★ (2.3K)NoYesSep 2026
8i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (15K)NoYesSep 2026

Top Picks for Offline Nautical Charts App

Navionics® Boating#1

Navionics® Boating by Garmin

Nautical and fishing charts
Editor's Choice
🗺️ Navigation
2.9😞(2.3K ratings)
FreeIn-App Purchases
#5in Navigation
Navionics® Boating screenshot 1
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Navionics® Boating screenshot 5
Navionics® Boating screenshot 6

Access detailed nautical charts and advanced boating features offline on your mobile device. Plan trips with dock-to-dock guidance, check weather and tides, and connect with a community of boaters. Ideal for cruising, fishing, sailing, and diving.

What We Love

  • 🚀 Great navigation app
  • 🗺️ Detailed charts and maps
  • ⚓ Useful for boating and sailing
  • 💰 Good value for money

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔒 Login issues and unreliable offline access
  • 💰 Expensive subscription model
  • 🗺️ Inaccurate or outdated map data
Simrad: Companion for Boaters#2

Simrad: Companion for Boaters by Navico Norway AS

Great nautical charts
Strong Contender
🗺️ Navigation
4.6😞(2.5K ratings)
FreeIn-App Purchases
#40in Navigation
Simrad: Companion for Boaters screenshot 1
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Simrad: Companion for Boaters screenshot 5
Simrad: Companion for Boaters screenshot 6

This app provides boaters with detailed nautical charts, weather forecasts, and route planning tools. It offers GPS navigation, track recording, and points of interest, with premium features like offline maps and advanced charting available through subscription.

What We Love

  • 🚀 Great navigation
  • 🚀 Accurate charting
  • 🚀 Useful planning features
  • 🚀 Seamless integration with Simrad hardware
  • 👍 User-friendly interface
  • 👍 Helpful for fishing and boating

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🐛 Syncing issues with Simrad devices
  • 🐛 Unreliable offline maps
  • 🐛 Buggy and unstable
  • 👎 Poor customer support
  • 👎 Difficult to use and navigate
Nautical Charts & Maps#3

Nautical Charts & Maps by LW Brands, LLC

Nautical Charts & Marine Maps
Worth Considering
🗺️ Navigation
4.6😐(3.8K ratings)
$8.99
#97in Navigation
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Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.

What We Love

  • 👍 Easy to use
  • 🚀 Good performance
  • 💡 Useful for planning and navigation
  • 🗺️ Detailed charts
  • 💰 Good value for money

Room to Improve

  • 🐛 Crashes and stability issues
  • 🗺️ Limited chart coverage
  • 🔍 Lack of advanced features (plotting, routing, etc.)
  • 🔍 Poor user interface and interactivity
  • 💰 Overpriced in some cases

More Offline Nautical Charts App apps to explore

FAQ about Offline Nautical Charts App

What is the best offline nautical charts app for iPhone?
Navionics® Boating tops our offline nautical charts app ranking as of July 2026, with a 2.9-star average from 2.3K App Store ratings, and it's free to download.
Yes — 18 of the top offline nautical charts app we rank are free to download, including Navionics® Boating and Simrad: Companion for Boaters.
Navionics® Boating has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 87+ offline nautical charts app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The app provides detailed nautical charts that can be used offline, along with a suite of tools for boating activities. It includes features for navigation, trip planning, weather forecasting, and community-based local knowledge.
Key features include internationally renowned Navionics charts, SonarChart HD bathymetry maps, U.S. Government charts, overlays like relief shading, Auto Guidance+ for route planning, real-time weather and tides, and community edits from other boaters.