Best Depth Chart Water Apps

245+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

The best depth chart water apps on iPhone average 4.3★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Depth Chart Water Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (15K)NoYesAug 2026
2WaveDepth: Water DepthWaveDepth: Water DepthFreeNoNoJul 2026
3Sea DepthSea DepthFree5.0★ (1)NoYesAug 2026
4How Deep?How Deep?FreeNoNoJun 2026
5Fish Deeper - Fishing AppFish Deeper - Fishing AppFree4.5★ (652)YesYesAug 2026
6Great DepthsGreat DepthsFree4.2★ (12)NoYesMay 2026
7LakeStatsLakeStatsFree4.9★ (16)NoNoAug 2026
8Water - Tracker & ReminderWater - Tracker & ReminderFree1.0★ (1)NoNoMay 2026

Top Picks for Depth Chart Water

i-Boating: Marine Charts & Gps#1

i-Boating: Marine Charts & Gps by Bist LLC

Lake Depth Map,Sailing Plotter
Editor's Choice
🗺️ Navigation
4.5😊(15K ratings)
FreeIn-App Purchases
#72in 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
Sea Depth#3

Sea Depth by Seadepth Charst

Offshore Bathymetry Charts
Worth Considering
🗺️ Navigation
5.0(1 ratings)
FreeIn-App Purchases
Sea Depth screenshot 1
Sea Depth screenshot 2
Sea Depth screenshot 3
Sea Depth screenshot 4
Sea Depth screenshot 5

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.

More Depth Chart Water apps to explore

4
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
5
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
(652)
free with in-app purchases
6
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
7
LakeStats
LakeStats
LakeStats
Depth Map & Live Water Stats
Free

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.

Real-time water levelsHistorical trends and comparisonsInteractive water level graphs
✈️ Travel
(16)
free
8
Water - Tracker & Reminder
Water - Tracker & Reminder
Water - Tracker & Reminder
Daily Water Tracker & Reminder
Free

This app helps you track your daily water intake and reminds you to stay hydrated. It calculates your personalized water needs and provides historical data and statistics to help you reach your hydration goals.

Personalized daily water intake calculationHydration remindersHealth app integration
💪 Health & Fitness
(1)
free
9
H2O - Water Tracker
H2O - Water Tracker
H2O - Water Tracker
by Gregory Sapienza
Free

This application helps you monitor your daily water consumption to ensure you stay adequately hydrated. It offers a visually appealing interface with features for quickly logging intake and reviewing your progress.

Log water intake quicklyPreset water amountsWeekly intake graph
💪 Health & Fitness
(65)
free
10
GWL
GWL
GWL
Ground water level
Free
🔧 Utilities
(0)
11
MaxOpDepth
MaxOpDepth
MaxOpDepth
Diver Depth
Free
⚽ Sports
(0)
12
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
13
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Marine Navigation, Depth, Tide
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
(6.2K)
free with in-app purchases
14
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
GPS, Nautical Charts, Boating
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
(7.9K)
free with in-app purchases
15
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
(14K)
free with in-app purchases
16
DepthGaze Clear Water Camera
DepthGaze Clear Water Camera
DepthGaze Clear Water Camera
Fishing photos · cut glare
Free
📷 Photo & Video
(0)
17
Water Savvy: Pure Water Check
Water Savvy: Pure Water Check
Water Savvy: Pure Water Check
Discover Local Purity Data
Free
$4.99 | 100% OFF

Understand your local water quality with real-time scores, interactive maps, and alerts. Discover potential contaminants in tap water and recreational areas to make informed decisions about your health and safety.

Real-time water quality scoresPFAS detection for forever chemicalsInteractive maps with environmental data layers
💪 Health & Fitness
(7)
ad-supported
18
Hydration Reminder - Daily Water Tracker
Hydration Reminder - Daily Water Tracker
Hydration Reminder - Daily Water Tracker
by Charles Vanderhoff
Free

This app helps you stay hydrated by calculating your daily water needs and sending smart reminders. Track your intake, view progress graphs, and customize cup sizes to improve your health and energy levels.

Calculates daily water needsTracks water intakeSmart reminders to drink
💪 Health & Fitness
(111)
free with in-app purchases
19
GaugeStage: Water Levels
GaugeStage: Water Levels
GaugeStage: Water Levels
River Levels & Flood Alerts
Free

Track real-time water levels for over 12,000 rivers and streams nationwide. Get flood alerts, monitor conditions, and plan boating or fishing trips with confidence. Access NOAA data and an interactive map to find gauges easily.

Real-time water level trackingFlood alerts and warningsInteractive map view
🗺️ Navigation
(13)
freemium
20
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Find Best Tides Times to Fish
Free

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.

Fishing forecasts (tides, moon, weather, solunar)Detailed fishing maps (satellite, nautical, lake depth)Save and discover fishing spots and routes
⚽ Sports
(31K)
free with in-app purchases

FAQ about Depth Chart Water

What are the best depth chart water apps for iPhone?
i-Boating: Marine Charts & Gps tops our depth chart water apps ranking as of August 2026, with a 4.5-star average from 15K App Store ratings, and it's free to download.
Yes — 20 of the top depth chart water apps we rank are free to download, including i-Boating: Marine Charts & Gps and WaveDepth: Water Depth.
i-Boating: Marine Charts & Gps has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ depth chart water apps on the iOS App Store as of August 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.