Best Depth Finder Ocean Apps & Games

198+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated July 2026

Finding the right depth finder ocean apps and games can be overwhelming with so many options. We've analyzed 198+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Depth Finder Ocean Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (14K)NoYesJul 2026
2Treasure Diving: Lost AtlantisTreasure Diving: Lost AtlantisFree4.5★ (624)YesYesJul 2026
3Fishing Points: Map & ForecastFishing Points: Map & ForecastFree4.7★ (31K)YesYesJul 2026
4Fish Deeper - Fishing AppFish Deeper - Fishing AppFree4.5★ (653)YesYesJul 2026
5Sea DepthSea DepthFree5.0★ (1)NoYesJul 2026
6Scuba Diving Computer Oceanic+Scuba Diving Computer Oceanic+Free4.4★ (4.5K)NoYesJul 2026
7Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)NoYesJul 2026
8Aqua Map BoatingAqua Map BoatingFree4.7★ (13K)NoYesJul 2026

Top Picks for Depth Finder Ocean

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
#81in 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
Treasure Diving: Lost Atlantis#2

Treasure Diving: Lost Atlantis by MOBITALE LIMITED

Explore a World of Adventure
Strong Contender
🎮 Games
4.5😊(624 ratings)
FreeAdsIn-App Purchases
Treasure Diving: Lost Atlantis screenshot 1
Treasure Diving: Lost Atlantis screenshot 2
Treasure Diving: Lost Atlantis screenshot 3
Treasure Diving: Lost Atlantis screenshot 4
Treasure Diving: Lost Atlantis screenshot 5
Treasure Diving: Lost Atlantis screenshot 6

Embark on an underwater adventure to explore ancient ruins, sunken ships, and mythical artifacts. Complete quests, discover exotic marine life, and build your own underwater base. Unravel mysteries and collect treasures in a vibrant, adventurous world.

What We Love

  • 👍 Fun and addictive gameplay
  • 🚀 Quick oxygen refill
  • 🎨 Detailed and visually appealing graphics
  • 💎 Enjoyable treasure diving experience

Room to Improve

  • 🔍 Difficulty finding friends to complete quests
  • ⏱️ Oxygen runs out too quickly
  • 🤖 Potential bot activity in tournaments
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😊(31K ratings)
FreeAdsIn-App Purchases
#78in Sports
Fishing Points: Map & Forecast screenshot 1
Fishing Points: Map & Forecast screenshot 2
Fishing Points: Map & Forecast screenshot 3
Fishing Points: Map & Forecast screenshot 4
Fishing Points: Map & Forecast screenshot 5
Fishing Points: Map & Forecast screenshot 6

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.

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 Ocean apps to explore

4
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Explore water find catch spots
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
5
Sea Depth
Sea Depth
Sea Depth
Offshore Bathymetry Charts
Free

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.

High-resolution shaded-relief bathymetryDetailed depth contours with intelligent labelingOptional data overlays (pipelines, bottom composition)
🗺️ Navigation
(1)
free with in-app purchases
6
Scuba Diving Computer Oceanic+
Scuba Diving Computer Oceanic+
Scuba Diving Computer Oceanic+
Scuba, Freedive & Snorkel
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
(4.5K)
free with in-app purchases
7
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
8
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
9
MarcoPolo Ocean
MarcoPolo Ocean
MarcoPolo Ocean
Build your own submarine!
Free

Explore and build underwater worlds with this "digital sandbox" for kids. Discover marine life, construct submarines, and learn about ocean ecosystems through interactive play. Encourages self-directed learning in science and technology.

Build coral reefs and aquariumsExplore the deep seaSteer submarines and boats
📚 Education
(242)
free
10
How Deep?
How Deep?
How Deep?
Tap to show water depth at sea
Free

This app displays sea depth or land altitudes with a simple tap. It's ideal for travelers on cruises or hiking adventures, and can optionally track your journey.

Tap to show sea depthTap to show land altitudeBackground travel trail capture
✈️ Travel
(0)
free
11
iBobber
iBobber
iBobber
by ReelSonar, Inc.
Free

This app pairs with a wireless bobber to act as a portable fishfinder. It displays fish locations, depth, and water temperature on your smartphone or smartwatch. Log your catches, map underwater contours, and track your fishing trips.

Fish detection and depthGPS hotspot taggingWaterbed mapping
⚽ Sports
(228)
free
12
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
13
Ocean Dream
Ocean Dream
Ocean Dream
by BITBROS INC.
Free

Explore a serene underwater world with immersive 3D visuals. Interact with marine life and learn about different species. Relax and enjoy the calming ocean scenery with intuitive swipe controls.

Immersive 3D ocean environmentInteractive marine lifeInformation on creatures
🎬 Entertainment
(45)
free with in-app purchases
14
Salt Strong: Fishing Spots App
Salt Strong: Fishing Spots App
Salt Strong: Fishing Spots App
Maps, Forecasts, Tide Charts
Free

This app helps inshore saltwater anglers find the best fishing spots using AI-powered predictions and detailed map layers. It offers tide and weather forecasts, and a unique strike score to predict optimal fishing times. Plan your next fishing trip with confidence and catch more fish.

AI-powered fishing spot predictionsDetailed map layers (oyster beds, contours, topography)Proprietary 'Smart Spots' layer
⚽ Sports
(930)
free with in-app purchases
15
Buoy Finder NOAA NDBC
Buoy Finder NOAA NDBC
Buoy Finder NOAA NDBC
Buoy data and sea temperatures
Free

Access real-time oceanographic data from hundreds of NOAA buoys worldwide. Plan water activities with detailed forecasts for wave height, wind, and sea temperatures. Features offline access and Apple Watch compatibility.

Real-time buoy dataWave height and wind speedWater temperature
☀️ Weather
(183)
free with in-app purchases
16
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
17
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
18
Great Depths
Great Depths
Great Depths
by Walk About Apps
Free

This app transforms your iOS device into a digital depth finder. It provides comprehensive US coastal and Great Lakes coverage with live tide data and nautical charts. Navigate safely and efficiently with offline chart storage and distance calculation features.

Digital depth readoutsLive tide dataNOAA RNC nautical charts
🗺️ Navigation
(12)
free with in-app purchases
19
SonarPhone by Vexilar
SonarPhone by Vexilar
SonarPhone by Vexilar
by Vexilar
Free

This application transforms your smartphone or tablet into a high-performance sonar system. It connects wirelessly to a dedicated transmitter, offering detailed underwater views and essential fishing data. Explore its features in demo mode or with a compatible transmitter.

Touch screen sonar systemWireless WiFi hotspot transmitterMulti-color color display
⚽ Sports
(35)
free
20
Shark Tracker: Finder Sharks
Shark Tracker: Finder Sharks
Shark Tracker: Finder Sharks
Great White Shark Tracking App
Free

Explore real-time shark locations on an interactive map and access a comprehensive knowledge base about various species. Includes a calendar for migration patterns and essential safety tips for ocean activities. Offers an informative and enjoyable user experience.

Real-time shark tracking mapComprehensive shark species databaseShark activity and migration calendar
🔧 Utilities
(31)
subscription

FAQ about Depth Finder Ocean

What are the best depth finder ocean apps & games for iPhone?
i-Boating: Marine Charts & Gps tops our depth finder ocean apps & games ranking as of July 2026, with a 4.5-star average from 14K App Store ratings, and it's free to download.
Yes — 20 of the top depth finder ocean apps & games we rank are free to download, including i-Boating: Marine Charts & Gps and Treasure Diving: Lost Atlantis.
i-Boating: Marine Charts & Gps has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 198+ depth finder ocean apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides detailed marine charts and GPS functionality for navigation on waterways. It allows users to plan routes, receive voice-guided navigation, view tide and current predictions, and record their tracks. The app offers extensive map coverage for various regions and inland rivers.
Key features include hardware/GPU accelerated vector charts, long-press object details, customizable units, track recording with real-time overlay, voice prompts for navigation, GPX/KML route import, tide and current predictions, and seamless chart quilting. It also supports NMEA AIS and GPS instrumentation.