Access real-time water levels, boat ramp status, and historical lake data. Plan your next outing with detailed information on access points and water conditions. Features offline functionality for convenient use.





225+ iOS apps curated and reviewed
Finding the right free lake maps depth apps can be overwhelming with so many options. We've analyzed 225+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (16) | No | No | Aug 2026 | |
| 2 | Free | 4.5★ (15K) | No | Yes | Aug 2026 | |
| 3 | Free | 4.4★ (2.2K) | No | Yes | Aug 2026 | |
| 4 | Free | 5.0★ (42) | No | No | Aug 2026 | |
| 5 | Free | 4.5★ (652) | Yes | Yes | Aug 2026 | |
| 6 | Free | 4.6★ (1.6K) | Yes | Yes | Aug 2026 | |
| 7 | Free | 4.7★ (14K) | No | Yes | Aug 2026 | |
| 8 | Free | 4.2★ (12) | No | Yes | May 2026 |





Access real-time water levels, boat ramp status, and historical lake data. Plan your next outing with detailed information on access points and water conditions. Features offline functionality for convenient use.






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.






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.


This app provides real-time hazard information for boaters and lake-goers, showing submerged dangers and shallow spots on interactive maps. It automatically adjusts hazard severity based on current water levels, enhancing safety on the water.


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.


Discover new fishing spots with detailed lake data, weather forecasts, and GPS navigation. Plan your next trip with insights on fish species, stocking history, and land ownership. Navigate hands-free and access maps offline.


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 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.


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.


Navigate waterways with detailed nautical charts, tide predictions, and weather forecasts. Connect with a community of boaters to share points of interest and track friends on the water. Enjoy simplified GPS navigation tailored to your boat's draft.


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 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.


Explore the world with high-resolution satellite imagery and 3D terrain. Dive into streets with Street View and create collaborative, data-driven maps from anywhere.


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.


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.






This app provides detailed maps and information for major western US lakes, including over 2000 mapped sites like camping, historical locations, and amenities. It offers daily updates on water levels and underwater hazards, along with navigation tools to mark locations, track routes, and estimate travel times.


Navigate and explore the outdoors with detailed topographic maps and GPS. Discover local flora and fauna, record your journeys, and save offline data for remote adventures. Build a personal atlas of your explorations and share memories.