Best Depth Finder Ocean Apps & Games

Hawaii Ocean Map

Hawaiian Islands Depth Maps

$9.99

Explore detailed seafloor topography of the Hawaiian Islands with professional-grade bathymetry data. Access maps offline, tap for instant depth queries, save locations, and navigate to waypoints. Ideal for marine activities with full island coverage and no subscriptions.

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.

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.

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.

Sea Depth

Offshore Bathymetry Charts

Free

Provides detailed offshore bathymetric charts with high-resolution shaded relief to reveal underwater structures. Offers data overlays, contour labeling, waypoint management, and drift analysis for enhanced seafloor understanding. Enables offline chart access for reliable use offshore.

Adopt-A-Float

The MERMAID App

Free

Access real-time data from autonomous oceanographic floats that record seismic activity. View instrument locations, trajectories, and health parameters. This app provides a low-cost method for oceanic data collection.

Depth: Beneath the Waves!

by Pablo Galindo

Free

Explore five dangerous ocean zones, managing oxygen and pressure to survive. Master fishing challenges to find rare creatures and treasures. Upgrade gear to access new areas and complete your artifact collection.

Fishing Points-Lake Depth Maps

Fish Finder,Gps Fishing Spots

Free

This app provides detailed lake depth maps and marine charts with fishing points for various regions. It features an AI that identifies productive fishing spots based on bathymetry, local knowledge, and weather. Offers advanced GPS navigation with voice prompts, route planning, and tide/current predictions.

Fishpop:deep ocean

by FUJIU LIMITED

Free

A relaxing puzzle adventure where you match colorful sea creatures to clear the board. Explore hundreds of levels, build your dream ocean home with earned rewards, and enjoy a calm, pressure-free gaming experience.

Deeper | Ocean Explorer

Explore the Hidden Ocean

Free

Embark on an interactive journey to explore the ocean's hidden depths, from the sunlit surface to the darkest trenches. Discover unique marine life, understand extreme environments, and learn about fascinating deep-sea phenomena. Test your knowledge with engaging quizzes.

WellDiver

Conquer the ocean and escape!

Free

Dive into an expansive ocean to collect exotic fish and rare minerals. Upgrade your character and research new abilities to conquer deeper, more dangerous waters. Survive the crushing pressure and escape to become the ultimate Welldiver.

Keel: Boating GPS & Charts

Depth, Tides & Marine Weather

Free

Navigate waterways with confidence using official NOAA charts, real-time tide-adjusted depth, and comprehensive marine weather forecasts. Receive automatic hazard alerts and plan your trips with offline map access. Log your boating excursions with distance, duration, and speed tracking.

Fish Deeper - Fishing App

Lake Depth Maps to Catch More

Free

This app provides detailed underwater terrain maps and community insights to help anglers find better fishing spots. It offers features like bottom hardness maps, catch logging, and weather forecasts, enhancing your fishing experience whether you're a beginner or an expert.