Best Depth Chart Apps

103+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good depth chart apps. We benchmark 103+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Depth Chart

Navionics® Boating#1

Navionics® Boating by Garmin International

Nautical and fishing charts
Editor's Choice
🗺️ Navigation
2.9😞(2.3K ratings)
FreeAdsIn-App Purchases
#2in 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

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.

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
Fishing Points: Map & Forecast#2

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

Find Best Tides Times to Fish
Strong Contender
⚽ Sports
4.7😊(30K ratings)
FreeAdsIn-App Purchases
#61in 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
i-Boating: Marine Charts & Gps#3

i-Boating: Marine Charts & Gps by Bist LLC

Lake Maps & Fishing Spots
Worth Considering
🗺️ Navigation
4.5😊(14K ratings)
FreeIn-App Purchases
#36in 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

More Depth Chart apps to explore

4
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Navigation, Charts, Tides, Map
Free

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.

Simple GPS navigationCustomizable nautical chartsCommunity points of interest
🗺️ Navigation
(5.4K)
free with in-app purchases
5
Lowrance: app for anglers
Lowrance: app for anglers
Lowrance: app for anglers
Great fishing charts
Free

This app provides detailed fishing charts and navigation tools for anglers. Manage waypoints, discover new fishing spots, and plan trips with offline maps and autorouting. Sync data with your Lowrance devices for a seamless on-water experience.

Detailed C-MAP fishing chartsWaypoint managementOffline map downloads
🗺️ Navigation
(2.5K)
free with in-app purchases
6
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
7
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Fish Deeper - Fishing App
Lake Depth Maps to Catch More
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
8
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
by MiraTrex, Inc
Free

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

High-resolution NOAA nautical chartsOffline chart accessWaypoint and route creation
🗺️ Navigation
(8.5K)
free with in-app purchases
9
Hip Charts
Hip Charts
Hip Charts
NOAA ENC Charts
Free

Access NOAA nautical charts for free on your mobile devices. View charts online and download single areas for offline use. Additional features like multiple offline downloads and custom boundaries require a purchase.

Unlimited online NOAA chart viewingDownload single chart areas for offline useAutomatic chart loading
🗺️ Navigation
(6)
free with in-app purchases
10
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Marine GPS and Nautical Charts
Free

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.

Clutter-free nautical chartsSmart route planning with weather and tide integrationReal-time GPS tracking
🗺️ Navigation
(7.3K)
free with in-app purchases
11
Fishing Points - Lake Maps
Fishing Points - Lake Maps
Fishing Points - Lake Maps
Marine Navigation/Fishing Spot
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.

Fishing AI for spot predictionDetailed lake depth mapsMarine charts with fishing points
⚽ Sports
(2.2K)
free with in-app purchases
12
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
13
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management
🗺️ Navigation
(21K)
free with in-app purchases
14
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
15
SeaNav
SeaNav
SeaNav
Marine Charts and Navigation
Free

This app provides high-resolution marine charts, route planning, and real-time navigation for boaters. It offers features like AIS ship tracking, tide and weather information, and offline chart access. Advanced capabilities include augmented reality views and autopilot integration.

High-resolution marine chartsAutoroute planningReal-time GPS navigation
🗺️ Navigation
(235)
free with in-app purchases
16
Deep Dive - Bass Fishing App
Deep Dive - Bass Fishing App
Deep Dive - Bass Fishing App
Lake Maps, Fish Finder & Spots
Free

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.

Pro tournament strategies and patternsBest fishing spots identificationSatellite water clarity maps
⚽ Sports
(6.2K)
free with in-app purchases
17
Fishing App: ANGLR Logbook
Fishing App: ANGLR Logbook
Fishing App: ANGLR Logbook
Map, Plan, Record Trips & Fish
Free

This app helps anglers plan, record, and analyze their fishing trips. It offers features like GPS mapping, a digital logbook, and personalized analytics to improve fishing skills. Users can also manage their gear and share fishing spots with friends.

GPS route mappingFishing logbook with catch detailsFishing analytics dashboard
⚽ Sports
(630)
freemium
18
Easy Chart
Easy Chart
Easy Chart
by Andrew Griffiths
Free

Create beautiful bar, line, pie, and sidebar charts with ease. Save your creations to photos in various sizes and customize them with multiple color schemes. An advanced pack offers additional sharing and customization options.

Bar, line, pie, sidebar chartsSave to photosOffline functionality
🔧 Utilities
(25)
free with in-app purchases
19
Chart Builder Graph Maker
Chart Builder Graph Maker
Chart Builder Graph Maker
Pie,Bar,Line Chart
Free

Easily create professional line, bar, and pie charts. Visualize your data with intuitive tools and share your creations.

Create line chartsCreate bar chartsCreate pie charts
📊 Productivity
(92)
free with in-app purchases
20
SEAiq Pilot
SEAiq Pilot
SEAiq Pilot
#1 App for Pro Marine Pilots
Free

This navigation app provides advanced charting and real-time vessel data for professional marine pilots. It supports various chart formats and external NMEA/AIS devices, offering features like predicted vessel display and docking aids. A free trial is available, with an in-app purchase for permanent access.

S-57, S-63, iENC, BSB/KAP chart supportExternal NMEA/AIS over WiFiPredicted vessel display
🗺️ Navigation
(423)
free with in-app purchases

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