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.

217+ iOS apps & games curated and reviewed
Every iPhone needs a few good depth finder free apps and games. We benchmark 217+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Jun 2026 | |
| 2 | Free | 4.7★ (13K) | No | Yes | Jul 2026 | |
| 3 | Free | 4.7★ (31K) | Yes | Yes | Jul 2026 | |
| 4 | Free | 2.9★ (2.3K) | Yes | Yes | Jul 2026 | |
| 5 | Free | 4.7★ (67K) | Yes | Yes | Jul 2026 | |
| 6 | Free | 4.5★ (653) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.7★ (6.2K) | No | Yes | Jul 2026 | |
| 8 | Free | 2.9★ (35) | No | No | May 2026 |

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.






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.






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.


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.


Discover new fishing locations, access detailed local information, and connect with a large community of anglers. Improve your fishing skills with advanced maps, weather forecasts, and catch tracking tools.


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.


This app provides advanced tools and strategies for bass fishing, leveraging professional tournament data and real-time maps. It helps anglers find the best fishing spots, understand water conditions, and predict optimal fishing times to catch more fish.


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.


This utility app uses your iPhone's magnetometer to detect metal studs behind walls. Simply hold your device near the wall and observe the indicator for changes in the magnetic field. For best results, remove any external case from your phone.


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.


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.


Step into the role of a detective to find a missing archaeologist researching Atlantis and a powerful artifact. Solve puzzles and find hidden objects to save the scientist and prevent a global catastrophe.


This application visualizes buried objects in 3D using advanced smartphone technology and augmented reality. It works exclusively with GoldHunter TreasureHunter3D metal detector devices to identify and display metal types, sizes, and shapes before digging.


Embark on a thrilling detective adventure to uncover a city's dark secrets. Search for hidden objects, solve intricate puzzles, and collect clues to unravel a gripping storyline filled with mystery and intrigue. Meet captivating characters and explore stunning, shadowed locations.


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.


Transform your photos into dynamic 3D images with AI-powered depth prediction. Adjust focus and create stunning parallax effects, exporting your creations as MP4 videos. Ideal for enhancing single-camera photos with professional-looking depth.


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.


This device uses sonar technology to locate fish, measure water depth and temperature, and map underwater contours. It connects wirelessly to your smart device to display all information, making it suitable for various water bodies.


Easily calculate depth of field for your photographs. Input your subject distance, focal length, and f-stop to visualize focus ranges and understand how camera settings impact your images. Supports various units and custom camera sensor data.


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.