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Best Depth Finder Marine Apps

170+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated April 2026

With an average user rating of 4.3★, the depth finder marine category is one of the App Store's strongest. Browse all 170+ apps we track, sorted so the most loved ones surface first.

Top Picks for Depth Finder Marine

Navionics® Boating#1

Navionics® Boating by Garmin International

Nautical and fishing charts
Editor's Choice
🗺️ Navigation
2.9😞(2.2K ratings)
FreeAdsIn-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

Experience detailed nautical and fishing charts on your mobile device with offline access and a range of features through this must-have Boating app. Get expertly detailed charts for cruising, fishing, sailing, and diving – perfect for all your water activities. Try it free for a limited time and unlock advanced features with a yearly subscription.

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
i-Boating: Marine Charts & Gps#2

i-Boating: Marine Charts & Gps by Bist LLC

Lake Maps & Fishing Spots
Strong Contender
🗺️ Navigation
4.5😊(14K ratings)
FreeIn-App Purchases
#77in Navigation
i-Boating: Marine Charts & Gps screenshot 1
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i-Boating: Marine Charts & Gps screenshot 5
i-Boating: Marine Charts & Gps screenshot 6

Discover a comprehensive marine navigation app with detailed charts, precise route planning, and real-time AIS tracking. Navigate ocean waters effortlessly and ensure safe voyages with this essential tool for all boating enthusiasts. Explore and download the app to set sail confidently today!

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
Fishing Points: Map & Forecast#3

Fishing Points: Map & Forecast by Fishing Points d.o.o.

Find Best Tides Times to Fish
Worth Considering
⚽ Sports
4.7😊(30K ratings)
FreeAdsIn-App Purchases
#65in Sports
Fishing Points: Map & Forecast screenshot 1
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Fishing Points: Map & Forecast screenshot 4
Fishing Points: Map & Forecast screenshot 5
Fishing Points: Map & Forecast screenshot 6

Discover the best fishing spots near you with an interactive map that shows locations, species, and bait suggestions. Plan your next fishing trip with ease using this app!

What We Love

  • 🚀 Easy to use
  • 🗺️ Helpful mapping features
  • 📊 Detailed fishing data
  • 🔍 Accurate weather and tide information

Room to Improve

  • 🐛 Inaccurate fish activity forecasts
  • 🗺️ Lacking detailed lake/river maps
  • 💰 Premium features too expensive

More Depth Finder Marine apps to explore

4
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

Explore marine navigation, fishing, and weather with advanced features like offline charts, live tracking, route planning, and connectivity for AIS and GPS data. Start your 14-day free trial now for an enhanced boating experience.

🗺️ Navigation
(13K)
5
Ship Finder Lite
Ship Finder Lite
Ship Finder Lite
Live Marine & Vessel tracking
Free

Discover real-time marine traffic with Ship Finder Lite. Track ships worldwide, view vessel details, and explore maritime activity on your mobile device. Start monitoring the seas today!

🗺️ Navigation
(3K)
6
Savvy Navvy Boating Navigation
Savvy Navvy Boating Navigation
Savvy Navvy Boating Navigation
Marine GPS and Nautical Charts
Free

Access all your boating needs in one app – charts, weather forecasts, AIS, and more. From planning to navigation, we've got you covered on the water!

🗺️ Navigation
(233)
7
FishAngler: Fishing Guide App
FishAngler: Fishing Guide App
FishAngler: Fishing Guide App
Fishing Maps, Forecast & Spots
Free

Discover the ultimate Fish Finder App for fishing enthusiasts! Access fishing maps, real-time weather forecasts, and catch tracking features for an unparalleled fishing experience. Start reeling in your dream catch today!

⚽ Sports
(13K)
8
onX Fish: Midwest Fishing Maps
onX Fish: Midwest Fishing Maps
onX Fish: Midwest Fishing Maps
Ice Fishing Spots & Weather
Free

Discover new fishing spots in Minnesota with the onX Fish app. Access detailed maps, species information, boat ramps, fishing regulations, and more to plan your fishing day effectively. Download now for free and make the most of your time on the water!

🗺️ Navigation
(1.2K)
9
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Fishing App: Maps & Reports
Free

Discover the ultimate fishing tool! Access detailed maps with hotspots, GPS tagging, and real-time updates for an exceptional fishing experience. Start exploring now for your next big catch!

⚽ Sports
(3.6K)
10
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

A powerful marine navigation app designed for sailing enthusiasts to plan routes, track marine weather, and monitor vessel performance. Navigate with precision and confidence on the water.

🗺️ Navigation
(20K)
11
ActiveCaptain®
ActiveCaptain®
ActiveCaptain®
Connect to Your GPS Plotter
Free

Connect your mobile device to your Garmin chartplotter and the boating community with this powerful app. Access charts, maps, software updates, routes, waypoints, and community feedback seamlessly while tracking and monitoring your boat from anywhere. Join the ActiveCaptain community for up-to-date information on marinas, boat ramps, and more.

🗺️ Navigation
(4.6K)
12
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Lake Depth Maps to Catch More
Free

Explore water, find spots, and enhance your fishing trips with this modern fishing app. Access detailed lake depth maps, track fishing spots and catches, analyze sonar data, and synchronize your data across all platforms. Take your fishing experience to the next level now!

⚽ Sports
(653)
13
HawkEye FishPod SONAR
HawkEye FishPod SONAR
HawkEye FishPod SONAR
by NorCross Marine Products, Inc
Free

An advanced fish finder app with smart technology designed to adapt and improve with user feedback and real-world testing, created by experienced marine electronics experts. Experience unmatched versatility and usability by downloading the app for free now.

🗺️ Navigation
(388)
14
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Navigation & Weather
Free
🗺️ Navigation
(7)
15
Sea Depth
Sea Depth
Sea Depth
Offshore Bathymetry Charts
Free
🗺️ Navigation
(1)
16
Windy.app — Wind, Tides, Radar
Windy.app — Wind, Tides, Radar
Windy.app — Wind, Tides, Radar
Hurricanes, marine weather
Free

An app for wind sports enthusiasts offering features like wind reports, alerts, weather history, NOAA forecasts, wave forecasts, wind tracking, spot chats, and community interaction. Perfect for kitesurfing, windsurfing, surfing, sailing, paragliding, and other wind-related activities. Join now to access all functions and enhance your wind sports experience!

☀️ Weather
(72K)
17
MarineRadar・Vessel Finder
MarineRadar・Vessel Finder
MarineRadar・Vessel Finder
Marine Traffic Tracker & Info
Free

Stay ahead of the waves with this ultimate app for real-time ship and yacht tracking, providing near real-time positions of vessels worldwide using a vast network of land-based AIS receivers. Download now to experience the power of real-time ship tracking and stay connected to the maritime world like never before.

✈️ Travel
(16)
18
Fishidy: Fishing Maps App
Fishidy: Fishing Maps App
Fishidy: Fishing Maps App
Find Hot Spots, Reports & Tips
Free

Discover the perfect fishing spots and latest reports with our fishing maps app. Start reeling in the big ones today!

⚽ Sports
(557)
19
i-Boating: USA Marine Charts
i-Boating: USA Marine Charts
i-Boating: USA Marine Charts
Nautical + Lake Contour Maps
$29.99

This marine navigation app provides access to detailed nautical charts, lake maps, and river maps, with features such as route assistance with voice prompts, tide and current predictions, and customizable units. It allows users to create and edit routes, record tracks, and share them with others, making it a comprehensive tool for boating and marine navigation.

🗺️ Navigation
(179)
20
WIFI Fish Finder
WIFI Fish Finder
WIFI Fish Finder
by JINHUA LEQI Technology Co., Ltd
Free

This application helps fishermen locate fish, detect water depth, and identify bottom contours using sonar technology and WIFI connectivity to display underwater information on a mobile device. It is ideal for use in oceans, rivers, or lakes, and can be used by both amateur and professional fishermen to detect schools of fish in fresh or saltwater.

📊 Productivity
(10)

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