Best Depth Finder Free Apps & Games

248+ iOS apps & games curated and reviewed

3.8 avg rating
20 free apps & games
Updated August 2026

Every iPhone needs a few good depth finder free apps and games. We benchmark 248+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1How Deep?How Deep?FreeNoNoJun 2026
2Fish Deeper - Fishing AppFish Deeper - Fishing AppFree4.5★ (652)YesYesSep 2026
3Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)NoYesSep 2026
4Aqua Map BoatingAqua Map BoatingFree4.7★ (14K)NoYesSep 2026
5Fishing Points: Map & ForecastFishing Points: Map & ForecastFree4.7★ (31K)YesYesSep 2026
6SonarPhone by VexilarSonarPhone by VexilarFree2.9★ (35)NoNoMay 2026
7Freedive FinderFreedive FinderFreeNoNoJun 2026
8SensorStream, powered by ROS 2SensorStream, powered by ROS 2Free3.0★ (1)NoNoAug 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.

Fish Deeper - Fishing App#2

Fish Deeper - Fishing App by Deeper UAB

Lake Depth Maps to Catch More
Strong Contender
⚽ Sports
4.5😐(652 ratings)
FreeAdsIn-App Purchases
Fish Deeper - Fishing App screenshot 1
Fish Deeper - Fishing App screenshot 2
Fish Deeper - Fishing App screenshot 3
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Fish Deeper - Fishing App screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🔍 Helpful for finding fish
  • 📊 Good mapping and depth features
  • ⚡️ Versatile for different fishing methods
  • 🔋 Good battery life

Room to Improve

  • 🔌 Connectivity issues
  • 🗺️ Inaccurate mapping and depth readings
  • 💰 Subscription model and premium features
  • 🐛 Buggy app and crashes
  • 🤖 Poor fish detection
Navionics® Boating#3

Navionics® Boating by Garmin

Nautical and fishing charts
Worth Considering
🗺️ Navigation
2.9😞(2.3K ratings)
FreeIn-App Purchases
#4in Navigation
Navionics® Boating screenshot 1
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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
  • 🗺️ Inaccurate or outdated map data

More Depth Finder Free apps to explore

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 August 2026.
We track 248+ depth finder free apps & games on the iOS App Store as of August 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.