Best Free Marine Navigation Apps

250+ iOS apps curated and reviewed

4.3 avg rating
17 free apps
Updated August 2026

The best free marine navigation apps on iPhone average 4.3★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Free Marine Navigation Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Argo Navigation: Boat GPS, MapArgo Navigation: Boat GPS, MapFree4.9★ (6.1K)NoYesAug 2026
2Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)NoYesAug 2026
3iNavX: Marine NavigationiNavX: Marine NavigationFree4.8★ (21K)YesYesAug 2026
4i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (15K)NoYesAug 2026
5Wavve Boating: GPS, Map, ChartWavve Boating: GPS, Map, ChartFree4.7★ (6K)NoYesAug 2026
6PRO CHARTS - Marine NavigationPRO CHARTS - Marine NavigationFree4.5★ (8.5K)NoYesAug 2026
7Google MapsGoogle MapsFree4.7★ (7.3M)YesYesAug 2026
8Savvy Navvy: Boat NavigationSavvy Navvy: Boat NavigationFree4.7★ (7.8K)NoYesAug 2026

Top Picks for Free Marine Navigation

Argo Navigation: Boat GPS, Map#1

Argo Navigation: Boat GPS, Map by Argo Navigation, LLC

Marine Charts, Weather & Tides
Editor's Choice
🗺️ Navigation
4.9😊(6.1K ratings)
FreeIn-App Purchases
#48in Navigation
Argo Navigation: Boat GPS, Map screenshot 1
Argo Navigation: Boat GPS, Map screenshot 2
Argo Navigation: Boat GPS, Map screenshot 3
Argo Navigation: Boat GPS, Map screenshot 4
Argo Navigation: Boat GPS, Map screenshot 5
Argo Navigation: Boat GPS, Map screenshot 6

This app provides comprehensive navigation and planning tools for boaters, offering features like chart plotting, route planning, and weather forecasts. It aims to be user-friendly for all skill levels, from beginners to experienced cruisers, with a focus on safety and connectivity on the water.

What We Love

  • 👍 Easy to use
  • 🚀 Accurate navigation
  • 💡 Helpful social features
  • 🔋 Good battery life

Room to Improve

  • 🐛 Occasional app crashes
  • 🗺️ Limited map coverage in some areas
  • 🔍 Difficulty finding certain locations
Navionics® Boating#2

Navionics® Boating by Garmin

Nautical and fishing charts
Strong Contender
🗺️ Navigation
2.9😞(2.3K ratings)
FreeIn-App Purchases
#3in Navigation
Navionics® Boating screenshot 1
Navionics® Boating screenshot 2
Navionics® Boating screenshot 3
Navionics® Boating screenshot 4
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
iNavX: Marine Navigation#3

iNavX: Marine Navigation by NavX Studios LLC

Sailing & Boating Chartplotter
Worth Considering
🗺️ Navigation
4.8😐(21K ratings)
FreeAdsIn-App Purchases
#72in Navigation
iNavX: Marine Navigation screenshot 1
iNavX: Marine Navigation screenshot 2
iNavX: Marine Navigation screenshot 3
iNavX: Marine Navigation screenshot 4
iNavX: Marine Navigation screenshot 5
iNavX: Marine Navigation screenshot 6

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.

What We Love

  • 🚀 Accurate and precise navigation
  • 📊 Comprehensive charting and navigation features
  • 🛠️ Customizable instrument settings
  • 🔄 Redundancy across devices

Room to Improve

  • 🤔 Clunky and unintuitive user interface
  • 🗺️ Cumbersome chart management and downloading
  • 🔋 Battery drain issues

More Free Marine Navigation apps to explore

4
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Maps & Fishing Spots
Free

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.

Detailed vector marine chartsRoute planning and editingVoice-guided navigation
🗺️ Navigation
(15K)
free with in-app purchases
5
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Marine Navigation, Depth, Tide
Free

Navigate waterways with detailed nautical charts, tide predictions, and weather forecasts. Connect with a community of boaters to share points of interest and track friends on the water. Enjoy simplified GPS navigation tailored to your boat's draft.

Simple GPS navigationCustomizable nautical chartsCommunity points of interest
🗺️ Navigation
(6K)
free with in-app purchases
6
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
by MiraTrex, Inc.
Free

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

High-resolution NOAA nautical chartsOffline chart accessWaypoint and route creation
🗺️ Navigation
(8.5K)
free with in-app purchases
7
Google Maps
Google Maps
Google Maps
Places, navigation & traffic
Free

Navigate your world with real-time traffic, turn-by-turn directions for driving, walking, cycling, and public transport. Discover millions of businesses and places with photos and reviews. Plan trips with Street View, Immersive View, and offline maps.

Real-time GPS navigationLive traffic dataPublic transport updates
🗺️ Navigation
(7.3M)
free with in-app purchases
8
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
GPS, Nautical Charts, Boating
Free

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.

Clutter-free nautical chartsSmart route planning with weather and tide integrationReal-time GPS tracking
🗺️ Navigation
(7.8K)
free with in-app purchases
9
Navigation Marine
Navigation Marine
Navigation Marine
Essential marine tools
Free

This marine navigation tool provides essential functions for sailors, yachts, and boats. It includes a speedometer, position tracking, waypoint management, distance measurement, and course guidance to waypoints.

Speedometer (knots, mph, km/h)Course Over GroundPosition tracking
🗺️ Navigation
(0)
ad-supported
10
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

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.

Official NOAA nautical chartsOffline map downloadsGPS track recording
🗺️ Navigation
(13K)
free with in-app purchases
11
Ship Tracker Marine Finder Ais
Ship Tracker Marine Finder Ais
Ship Tracker Marine Finder Ais
Boat Traffic Information Tool
Free
🔧 Utilities
(0)
12
Boat Route
Boat Route
Boat Route
Follow your route
Free
✈️ Travel
(0)
13
Lowrance: app for anglers
Lowrance: app for anglers
Lowrance: app for anglers
Great fishing charts
Free

This app provides detailed fishing charts and navigation tools for anglers. Manage waypoints, discover new fishing spots, and plan trips with offline maps and autorouting. Sync data with your Lowrance devices for a seamless on-water experience.

Detailed C-MAP fishing chartsWaypoint managementOffline map downloads
🗺️ Navigation
(2.7K)
free with in-app purchases
14
Pathr Navigation
Pathr Navigation
Pathr Navigation
Boating, simplified.
Free

This marine navigation app simplifies boating with smart routing tailored to your vessel's specifications. It offers detailed marine charts, weather and AIS overlays for enhanced awareness, and tools for discovering and sharing points of interest with a community of boaters.

Smart routing based on vessel profileHigh-resolution marine chartsWeather and AIS overlays
🗺️ Navigation
(5)
freemium
15
Hefring Marine
Hefring Marine
Hefring Marine
Realtime Fleet Monitoring
Free
🔧 Utilities
(0)
16
Hip Charts
Hip Charts
Hip Charts
NOAA ENC Charts
Free

Access NOAA nautical charts for free on your mobile devices. View charts online and download single areas for offline use. Additional features like multiple offline downloads and custom boundaries require a purchase.

Unlimited online NOAA chart viewingDownload single chart areas for offline useAutomatic chart loading
🗺️ Navigation
(6)
free with in-app purchases
17
Circle Of Position Navigation
Circle Of Position Navigation
Circle Of Position Navigation
Sun Navigation
$8.99

This app provides a backup navigation system using the sun, similar to chart plotter satellite navigation. It requires manual sextant readings and allows users to input times and measurements to display their position on an electronic map, creating a journey track.

Sun navigation systemIndependent backup navigationElectronic map display
🗺️ Navigation
(1)
paid
18
Navique Passage Planner
Navique Passage Planner
Navique Passage Planner
by Tony Dagger
$5.99

Create detailed passage plans with multiple waypoints using GPS coordinates or map selection. The app accounts for vessel speed, magnetic variation, and deviation to calculate courses. Save and print your plans for easy reference, and manage multiple vessel profiles.

Create passage plans with multiple waypointsSet points via lat/long or map selectionApply vessel speed, magnetic variation, and deviation
🗺️ Navigation
(0)
paid
19
ChatSea
ChatSea
ChatSea
Secure maritime chat on sea
Free
🗺️ Navigation
(0)
20
AMC Buoyage System (IALA)
AMC Buoyage System (IALA)
AMC Buoyage System (IALA)
IALA Buoyage System in 3D
$0.99

Learn the meaning of maritime buoyage markers with 3D visualizations. Understand buoy types, colors, shapes, and lighting sequences for safe navigation at sea. Covers both IALA Region A and B.

3D buoy visualizationsBuoy color, shape, and lighting detailsIALA Region A and B support
📚 Education
(0)
paid

FAQ about Free Marine Navigation

What are the best free marine navigation apps for iPhone?
Argo Navigation: Boat GPS, Map tops our free marine navigation apps ranking as of August 2026, with a 4.9-star average from 6.1K App Store ratings, and it's free to download.
Argo Navigation: Boat GPS, Map has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ free marine navigation apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Argo is a navigation and planning application for boaters. It offers features like nautical charts, route planning, weather forecasts, track recording, and the ability to connect with other boaters. It aims to simplify navigation and enhance safety on the water for users in the U.S. and Canada.
Key features include web/desktop trip planning with auto-sync, autorouting for multi-stop routes, a 7-day marine weather forecast, unlimited nautical charts, track recording, real-time NMEA/AIS data, and the ability to share locations and routes with friends and club members. Many of these features are available in the free version.