Best Depth Finder Free Apps & Games

217+ iOS apps & games curated and reviewed

4.2 avg rating
19 free apps & games
Updated July 2026

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.

Compare top Depth Finder Free Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1How Deep?How Deep?FreeNoNoJun 2026
2Aqua Map BoatingAqua Map BoatingFree4.7★ (13K)NoYesJul 2026
3Fishing Points: Map & ForecastFishing Points: Map & ForecastFree4.7★ (31K)YesYesJul 2026
4Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)YesYesJul 2026
5Fishbrain - Fishing AppFishbrain - Fishing AppFree4.7★ (67K)YesYesJul 2026
6Fish Deeper - Fishing AppFish Deeper - Fishing AppFree4.5★ (653)YesYesJul 2026
7Deep Dive - Bass Fishing AppDeep Dive - Bass Fishing AppFree4.7★ (6.2K)NoYesJul 2026
8SonarPhone by VexilarSonarPhone by VexilarFree2.9★ (35)NoNoMay 2026

Top Picks for Depth Finder Free

How Deep?#1

How Deep? by Evergreen Labs

Tap to show water depth at sea
Editor's Choice
✈️ Travel
0.0(0 ratings)
Free
How Deep? screenshot 1

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.

Aqua Map Boating#2

Aqua Map Boating by GEC s.r.l.

Marine navigation and fishing
Strong Contender
🗺️ Navigation
4.7😊(13K ratings)
FreeIn-App Purchases
#52in Navigation
Aqua Map Boating screenshot 1
Aqua Map Boating screenshot 2
Aqua Map Boating screenshot 3
Aqua Map Boating screenshot 4
Aqua Map Boating screenshot 5
Aqua Map Boating screenshot 6

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.

What We Love

  • 🚀 Excellent navigation tool
  • 👍 Easy to use and intuitive
  • 🗺️ Detailed and accurate charts
  • 💡 Helpful features like AIS, weather, and fuel prices

Room to Improve

  • 🐛 Occasional issues with map downloads and disappearing charts
  • 🔍 Lack of intuitive route planning functionality
  • 🔍 Slow map loading and tracking issues in certain areas
Fishing Points: Map & Forecast#3

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

Find Best Tides Times to Fish
Worth Considering
⚽ Sports
4.7😊(31K ratings)
FreeAdsIn-App Purchases
#68in 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

More Depth Finder Free apps to explore

4
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
5
Fishbrain - Fishing App
Fishbrain - Fishing App
Fishbrain - Fishing App
Fish Spots, Maps & Identifier
Free

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.

Fishing maps with advanced layersDetailed fishing water informationCatch reports and bait recommendations
⚽ Sports
(67K)
free with in-app purchases
6
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
7
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
8
SonarPhone by Vexilar
SonarPhone by Vexilar
SonarPhone by Vexilar
by Vexilar
Free

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.

Touch screen sonar systemWireless WiFi hotspot transmitterMulti-color color display
⚽ Sports
(35)
free
9
Stud Finder®
Stud Finder®
Stud Finder®
Detect wall studs
Free

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.

Detect metal studsUses magnetometerMeasures magnetic field
🔧 Utilities
(23K)
free with in-app purchases
10
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Maps & Fishing Spots
Free

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.

Detailed vector marine chartsRoute planning and editingVoice-guided navigation
🗺️ Navigation
(14K)
free with in-app purchases
11
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Fishing App: Maps & Reports
Free

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.

Fishing spot discoveryPRO lake maps with depth and clarity layersReal-time fishing reports
⚽ Sports
(3.7K)
freemium
12
Mystery Trackers Darkwater Bay
Mystery Trackers Darkwater Bay
Mystery Trackers Darkwater Bay
New Hidden Object Mystery Game
Free

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.

Investigate underwater mysteriesFind hidden objectsSolve engaging mini-games
🎮 Games
(21)
free with in-app purchases
13
GoldHunter3D
GoldHunter3D
GoldHunter3D
Visualise buried objects.
Free

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.

3D ground scan for object visualizationAugmented Reality integration2D/3D view modes with zoom
🎬 Entertainment
(18)
free
14
Ravenhill: Find Hidden Objects
Ravenhill: Find Hidden Objects
Ravenhill: Find Hidden Objects
Mystery Game: Crime Adventure
Free

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.

Search for hidden objectsSolve intricate puzzlesUncover cryptic clues
🎮 Games
(41K)
free with in-app purchases
15
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
(7.5K)
free with in-app purchases
16
DPTH: AI 3d-photo editor
DPTH: AI 3d-photo editor
DPTH: AI 3d-photo editor
Export 3D photo to mp4
Free

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.

AI depth prediction for single camera imagesAdjustable depth of field and focus distance3D photo generation with parallax effect
📷 Photo & Video
(120)
free with in-app purchases
17
Salt Strong: Fishing Spots App
Salt Strong: Fishing Spots App
Salt Strong: Fishing Spots App
Maps, Forecasts, Tide Charts
Free

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.

AI-powered fishing spot predictionsDetailed map layers (oyster beds, contours, topography)Proprietary 'Smart Spots' layer
⚽ Sports
(924)
free with in-app purchases
18
WIFI Fish Finder
WIFI Fish Finder
WIFI Fish Finder
by JINHUA LEQI Technology Co., Ltd
Free

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.

Locate fishMeasure water depthMap bottom contour
📊 Productivity
(10)
paid
19
Depth Of Field Calculator
Depth Of Field Calculator
Depth Of Field Calculator
by Essence Computing
$0.99

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.

Depth of field calculationNear and far focus distance visualizationAdjustable subject distance, focal length, and f-stop
📷 Photo & Video
(44)
free with in-app purchases
20
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

FAQ about Depth Finder Free

Does How Deep? have ads or in-app purchases?
How Deep? has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 217+ depth finder free apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
How Deep? is used to display the sea depth or land altitudes by simply tapping on the screen. It's designed for activities like cruise vacations and hiking trips.
Yes, How Deep? can optionally capture your travel trails in the background. This feature allows you to see your route as breadcrumbs on your map.