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Best Marine Charts Depth Apps

108+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated July 2026

Looking for free marine charts depth apps? 16 of our 108+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Marine Charts Depth

i-Boating: Marine Charts & Gps#1

i-Boating: Marine Charts & Gps by Bist LLC

Lake Maps & Fishing Spots
Editor's Choice
🗺️ Navigation
4.5😊(14K ratings)
FreeIn-App Purchases
#65in Navigation
i-Boating: Marine Charts & Gps screenshot 1
i-Boating: Marine Charts & Gps screenshot 2
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i-Boating: Marine Charts & Gps screenshot 4
i-Boating: Marine Charts & Gps screenshot 5
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

Room to Improve

  • 🌐 GPS/location issues, inaccurate positioning
  • 💰 Expensive recurring subscription model
  • 🔁 Difficulty restoring purchased content on new devices
Sea Depth#2

Sea Depth by Seadepth Charts, LLC

Offshore Bathymetry Charts
Strong Contender
🗺️ Navigation
5.0(1 ratings)
FreeIn-App Purchases
Sea Depth screenshot 1
Sea Depth screenshot 2
Sea Depth screenshot 3

Visualize detailed underwater terrain with high-resolution bathymetric charts. Gain deeper insights into seafloor structure, contours, and terrain for offshore activities. Includes optional data overlays and waypoint management for enhanced situational awareness.

Wavve Boating: GPS, Map, Chart#3

Wavve Boating: GPS, Map, Chart by Wavve Boating Inc

Navigation, Charts, Tides, Map
Worth Considering
🗺️ Navigation
4.7😐(5.4K ratings)
FreeAdsIn-App Purchases
#9in Navigation
Wavve Boating: GPS, Map, Chart screenshot 1
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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.

What We Love

  • 🚀 Accurate navigation
  • 👍 User-friendly interface
  • 💡 Helpful features like weather and wave data
  • 🚢 Great for new and experienced boaters

Room to Improve

  • 🐛 Inaccurate depth charts
  • 🚫 Limited coverage for certain areas
  • 💰 Expensive subscription

More Marine Charts Depth apps to explore

4
i-Boating: USA Marine Charts
i-Boating: USA Marine Charts
i-Boating: USA Marine Charts
Nautical + Lake Contour Maps
$29.99

This app provides detailed marine and lake navigation charts, including NOAA vector charts, USACE inland river maps, and contour maps for anglers. It offers advanced GPS features like voice-prompted route assistance, track recording, and tide/current predictions for safe and efficient boating.

NOAA marine vector chartsFreshwater lake contour mapsVoice-prompted route assistance
🗺️ Navigation
(179)
free with in-app purchases
5
Navionics® Boating
Navionics® Boating
Navionics® Boating
Nautical and fishing charts
Free

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.

Offline nautical chartsHD bathymetry mapsDock-to-dock route planning
🗺️ Navigation
(2.3K)
free with in-app purchases
6
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Find Best Tides Times to Fish
Free

This app helps anglers find the best times and locations to fish by providing detailed forecasts for tides, moon phases, weather, and marine conditions. It offers interactive maps to discover and save fishing spots, track routes, and access offline nautical charts, along with a catch logbook and fishing regulations.

Fishing forecasts (tides, moon, weather, solunar)Detailed fishing maps (satellite, nautical, lake depth)Save and discover fishing spots and routes
⚽ Sports
(30K)
free with in-app purchases
7
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Marine GPS and Nautical Charts
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
(7.4K)
free with in-app purchases
8
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Marine Maps
$8.99

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.

NOAA Electronic Navigational Charts (ENC)Offline chart downloadsDetailed chart information
🗺️ Navigation
(3.7K)
free
9
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
10
FishTrack - Charts & Forecasts
FishTrack - Charts & Forecasts
FishTrack - Charts & Forecasts
SST, tides, currents, & maps
Free

This app provides saltwater anglers with essential tools to locate fish. It combines cloud-free SST charts, satellite imagery, tides, currents, and marine weather forecasts into a layered interface. Users can mark hot spots, save data for offline use, and identify optimal fishing zones.

Cloud-free Sea Surface Temperature (SST) chartsGlobal satellite imagery (water temp, color, currents)Tides and moon phase data
☀️ Weather
(6K)
free with in-app purchases
11
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

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.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management
🗺️ Navigation
(21K)
free with in-app purchases
12
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
13
ActiveCaptain®
ActiveCaptain®
ActiveCaptain®
Connect to Your GPS Plotter
Free

This app connects your mobile device to compatible Garmin chartplotters, enabling wireless chart and map transfers, software updates, and route planning. It also provides access to a community of boaters for reviews and information on marinas and points of interest.

Wireless chart and map transferRoute and waypoint planningActiveCaptain Community for POI reviews
🗺️ Navigation
(4.9K)
free with in-app purchases
14
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
Marine Navigation and Boating
Free

This app provides digital nautical charts and navigation tools for safe boating. It offers offline chart downloads, real-time AIS tracking, and community-shared points of interest. Plan and share your routes with ease.

Digital nautical chartsOffline chart downloadsReal-time AIS tracking
🗺️ Navigation
(4.5K)
free with in-app purchases
15
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
16
Flytomap All in One HD Charts
Flytomap All in One HD Charts
Flytomap All in One HD Charts
Charts & Maps GPS Navigator
$14.99

Access detailed nautical and outdoor maps worldwide, including marine charts, lake maps, and park maps. Download charts for offline use with GPS navigation, route planning, and weather forecasts. Explore and record your adventures without an internet connection.

Offline chart downloadsWorldwide marine and outdoor mapsGPS navigation and route planning
🗺️ Navigation
(4)
free with in-app purchases
17
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
Boat GPS, Charts, AIS, Tides
Free

Navigate the seas with advanced marine charts, GPS, and AIS data, even offline. This app offers detailed bathymetry, community-contributed map data, and dynamic features for safe boating, sailing, and fishing.

Offline marine chartsGPS and route planningAIS Online tracking
🗺️ Navigation
(831)
free with in-app purchases
18
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Lake Depth Maps to Catch More
Free

This app provides detailed lake depth and bottom hardness maps to help anglers locate prime fishing spots. It also offers community features for sharing catches and tips, weather forecasts, and offline map access. Enhance your fishing experience with real-time sonar data when paired with compatible devices.

2D and 3D Depth MapsBottom Hardness MapsWaterbody Hub & Community
⚽ Sports
(653)
free with in-app purchases
19
iSailGPS : NOAA USA RNC Charts
iSailGPS : NOAA USA RNC Charts
iSailGPS : NOAA USA RNC Charts
Marine Nautical Chart Plotter
$7.99

Transform your device into a powerful GPS navigation tool with detailed US NOAA nautical charts. Navigate safely even without a cell signal, track your journey, set waypoints, and create custom routes. Ideal for sailors and boaters needing reliable marine navigation.

USA NOAA Raster Nautical ChartsOffline GPS navigationTrack recording and display
🗺️ Navigation
(71)
paid
20
Salty Offshore
Salty Offshore
Salty Offshore
Advanced Fishing Charts
Free

Create custom offshore fishing maps by layering sea surface temperature, chlorophyll, and currents. Track conditions at your favorite spots over time and share live maps with your crew for collaborative trip planning. Designed for both professionals and recreational anglers.

Layered environmental data (SST, chlorophyll, currents)Customizable range and color scalesTrack conditions at specific spots over time
⚽ Sports
(10)
free with in-app purchases

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