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Best Depth Finder Marine Apps

173+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated June 2026

With an average user rating of 4.4★, the depth finder marine category is one of the App Store's strongest. Browse all 173+ apps we track, sorted so the most loved ones surface first.

Top Picks for Depth Finder Marine

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
#56in Navigation
i-Boating: Marine Charts & Gps screenshot 1
i-Boating: Marine Charts & Gps screenshot 2
i-Boating: Marine Charts & Gps screenshot 3
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
Aqua Map Boating#2

Aqua Map Boating by GEC s.r.l.

Marine navigation and fishing
Strong Contender
🗺️ Navigation
4.7😊(13K ratings)
FreeIn-App Purchases
#64in Navigation
Aqua Map Boating screenshot 1
Aqua Map Boating screenshot 2
Aqua Map Boating screenshot 3
Aqua Map Boating screenshot 4
Aqua Map Boating screenshot 5
Aqua Map Boating screenshot 6

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
Navionics® Boating#3

Navionics® Boating by Garmin International

Nautical and fishing charts
Worth Considering
🗺️ Navigation
2.9😞(2.3K ratings)
FreeAdsIn-App Purchases
#3in Navigation
Navionics® Boating screenshot 1
Navionics® Boating screenshot 2
Navionics® Boating screenshot 3
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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

More Depth Finder Marine apps to explore

4
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
5
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
6
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Fishing App: Maps & Reports
Free

Discover fishing spots with detailed lake maps, real-time reports, and tackle recommendations. Plan your next fishing trip with custom waypoints and access a vast tackle warehouse. PRO members get advanced map layers and exclusive perks.

Fishing spot discoveryPRO lake maps with depth and clarity layersReal-time fishing reports
⚽ Sports
(3.6K)
freemium
7
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
8
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
9
HawkEye FishPod SONAR
HawkEye FishPod SONAR
HawkEye FishPod SONAR
by NorCross Marine Products, Inc
Free

This smart fish finder app utilizes advanced sonar technology to help anglers locate fish. It offers unmatched versatility and usability, developed with decades of experience in marine electronics.

Smart fish finderAdvanced sonar technologyBoat mount compatible
🗺️ Navigation
(388)
free
10
FishHunter - Fish Finder/Sonar
FishHunter - Fish Finder/Sonar
FishHunter - Fish Finder/Sonar
Kayak, Ice & All Fishing Types
Free

Enhance your fishing experience with a digital companion that maps favorite spots, logs every catch with details and photos, and provides essential weather and moon forecasts. Share your successes and discover new fishing grounds.

Map favorite fishing spotsLog catches with details and photosAccess fish databases
⚽ Sports
(764)
free with in-app purchases
11
West Marine Pro
West Marine Pro
West Marine Pro
Boat Parts & Marine Supply
Free

Access a vast catalog of over 100,000 wholesale marine products for boatyards, charter services, and marine businesses. Find parts, check real-time inventory and pricing, and manage orders efficiently on the go.

Comprehensive product catalogWholesale pricingAdvanced search tools
🛍️ Shopping
(555)
free
12
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Navigation & Weather
Free

Access real-time ship positions, routes, and detailed vessel information globally. Track vessel history, view port details, and monitor weather conditions on an interactive map. Organize your tracked vessels and ports with a personal fleet.

Real-time ship positions and routesDetailed vessel profilesGlobal AIS data coverage
🗺️ Navigation
(449)
free with in-app purchases
13
Windy.app — Wind, Tides, Radar
Windy.app — Wind, Tides, Radar
Windy.app — Wind, Tides, Radar
Hurricanes, marine weather
Free

This app provides detailed wind, wave, and weather forecasts for various outdoor activities. It offers historical data, real-time alerts, and a community feature for sharing conditions. Ideal for surfers, sailors, and other wind sports enthusiasts.

Wind report, forecast, and statisticsWind alert and storm warningsWeather history (2012-2024)
☀️ Weather
(72K)
freemium
14
HawkEye DepthTrax PLUS
HawkEye DepthTrax PLUS
HawkEye DepthTrax PLUS
by NorCross Marine Products, Inc
Free

This app turns your mobile device into a fish finder display for compatible HawkEye sonar products. It shows real-time sonar views, fish targets, bottom structure, depth, and water temperature, along with speed and heading data.

Live fish finder sonar viewIdentify fish targets and structureMonitor depth and water temperature
🔧 Utilities
(2)
freemium
15
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
16
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
17
MarineRadar・Vessel Finder
MarineRadar・Vessel Finder
MarineRadar・Vessel Finder
Marine Traffic Tracker & Info
Free

Track ships, containers, and yachts in real-time worldwide. Access detailed vessel information, port activity, and route history. Customize alerts and monitor fleets with extensive AIS coverage.

Real-time ship, container, and yacht trackingExtensive AIS network coverageDetailed vessel information and ETA
✈️ Travel
(197)
free with in-app purchases
18
Fishidy: Fishing Maps App
Fishidy: Fishing Maps App
Fishidy: Fishing Maps App
Find Hot Spots, Reports & Tips
Free

Discover top fishing locations and gain confidence on the water with detailed maps and expert insights. Log your catches privately, track successful patterns, and receive real-time fishing reports and alerts. Access offline maps and advanced features with a premium subscription.

Fishing Hot Spots® mapsLocal fishing spot discoveryCatch and spot logging
⚽ Sports
(557)
free with in-app purchases
19
Scuba Diving Computer Oceanic+
Scuba Diving Computer Oceanic+
Scuba Diving Computer Oceanic+
Snorkel & Dive Log Tracker
Free

Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.

Dive computer functionalitySnorkeling route trackingUser-generated dive spot heatmaps
⚽ Sports
(4.4K)
free with in-app purchases
20
Boat Watch - Ship Tracking
Boat Watch - Ship Tracking
Boat Watch - Ship Tracking
Ferry, cargo & cruise ships
Free

Track ships and boats globally in real-time. Identify vessels, view their details, and receive alerts for arrivals and departures. Explore nautical charts and use augmented reality for an enhanced viewing experience.

Real-time AIS ship trackingVessel identification and detailsFavorite boat tracking
✈️ Travel
(3.7K)
free with in-app purchases