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Best Garmin Fish Finder Apps

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated August 2026

Looking for free garmin fish finder apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Garmin Fish Finder Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ActiveCaptain®ActiveCaptain®Free4.0★ (5K)NoYesAug 2026
2STRIKER™ CastSTRIKER™ CastFree4.6★ (176)NoNoAug 2026
3Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)NoYesAug 2026
4Garmin Drive™Garmin Drive™Free4.6★ (9K)NoNoAug 2026
5FishHunter - Fish Finder/SonarFishHunter - Fish Finder/SonarFree3.9★ (764)NoNoJul 2026
6Fish Helper ProFish Helper ProFree1.0★ (1)NoNoMay 2026
7Fishing Points: Map & ForecastFishing Points: Map & ForecastFree4.7★ (31K)YesYesAug 2026
8Fishing Spots: Find & Fish AppFishing Spots: Find & Fish AppFree4.7★ (11K)NoYesAug 2026

Top Picks for Garmin Fish Finder

ActiveCaptain®#1

ActiveCaptain® by Garmin

Connect to Your GPS Plotter
Editor's Choice
🗺️ Navigation
4.0😐(5K ratings)
FreeIn-App Purchases
#19in Navigation
ActiveCaptain® screenshot 1
ActiveCaptain® screenshot 2
ActiveCaptain® screenshot 3
ActiveCaptain® screenshot 4
ActiveCaptain® screenshot 5
ActiveCaptain® screenshot 6

This app connects your mobile device to compatible Garmin chartplotters, enabling wireless chart and map transfers, software updates, and route planning. It also provides access to a community of boaters for reviews and information on marinas and points of interest.

What We Love

  • 👍 Easy to use
  • 🚀 Seamless integration with Garmin devices
  • 💡 Useful for planning trips and managing waypoints
  • 🚀 Convenient for updating software and charts

Room to Improve

  • 🐛 Frequent crashes and connection issues
  • 🔍 Limited chart and mapping functionality compared to competitors
  • 🤔 Difficult to transfer data between devices
STRIKER™ Cast#2

STRIKER™ Cast by Garmin

Fishing sonar streaming app
Strong Contender
⚽ Sports
4.6😊(176 ratings)
Free
STRIKER™ Cast screenshot 1
STRIKER™ Cast screenshot 2
STRIKER™ Cast screenshot 3
STRIKER™ Cast screenshot 4
STRIKER™ Cast screenshot 5
STRIKER™ Cast screenshot 6

Enhance your fishing trips by wirelessly connecting your mobile device to a portable sonar unit. Visualize fish and underwater structures in real-time, with options for traditional sonar or ice fishing modes. Create custom maps and mark your favorite fishing spots for easier returns.

What We Love

  • 🎣 Accurate fish and depth detection
  • 💰 Affordable price point
  • 📱 Easy to use app interface
  • 🗺️ Excellent mapping functionality

Room to Improve

  • 🔌 Proprietary charging connector
  • 📵 Requires cell service/internet connection
  • 🐛 Occasional connectivity issues
Navionics® Boating#3

Navionics® Boating by Garmin

Nautical and fishing charts
Worth Considering
🗺️ Navigation
2.9😞(2.3K ratings)
FreeIn-App Purchases
#3in 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

More Garmin Fish Finder apps to explore

4
Garmin Drive™
Garmin Drive™
Garmin Drive™
by Garmin
Free

Enhance your Garmin navigator or dash cam experience with real-time traffic, weather, and parking information. Access camera controls, settings, and recorded footage, with the ability to sync multiple dash cams for comprehensive video coverage.

Real-time traffic and parking dataAdvanced weather forecastsPhotoLive traffic camera access
🗺️ Navigation
(9K)
free
5
FishHunter - Fish Finder/Sonar
FishHunter - Fish Finder/Sonar
FishHunter - Fish Finder/Sonar
Kayak, Ice & All Fishing Types
Free

Enhance your fishing experience with a digital companion that maps favorite spots, logs every catch with details and photos, and provides essential weather and moon forecasts. Share your successes and discover new fishing grounds.

Map favorite fishing spotsLog catches with details and photosAccess fish databases
⚽ Sports
(764)
free with in-app purchases
6
Fish Helper Pro
Fish Helper Pro
Fish Helper Pro
Enhanced universal fish finder
Free

This app enhances universal fish detectors using XDX encoding. It displays underwater curves, sonar maps, fish schools, and water temperature. Users can adjust detection sensitivity and display settings for a better fishing experience.

XDX encoding supportUnderwater curve displayOriginal and disk sonar maps
🔧 Utilities
(1)
free
7
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
8
Fishing Spots: Find & Fish App
Fishing Spots: Find & Fish App
Fishing Spots: Find & Fish App
Fish Finder, Tides & Weather
Free

Discover local fishing spots with interactive maps, depth charts, and real-time forecasts. Log your catches, analyze your success, and connect with a global community of anglers to improve your fishing game.

Interactive fishing maps with depth chartsReal-time fishing forecasts and weatherCatch logging and analysis
⚽ Sports
(11K)
free with in-app purchases
9
Fish Finder AI:Catch Time
Fish Finder AI:Catch Time
Fish Finder AI:Catch Time
Know when & what to catch
Free
⚽ Sports
(0)
10
Fishing Spots - Fish Finder
Fishing Spots - Fish Finder
Fishing Spots - Fish Finder
Fish AI Identifier Forecast
Free

Discover millions of free fishing spots and identify your catches with AI. Get real-time data on hotspots, weather, and bite times to plan your next successful fishing trip.

Millions of free fishing spotsAI fish identification from photosBite time predictions
⚽ Sports
(286)
free with in-app purchases
11
Devict Fish finder
Devict Fish finder
Devict Fish finder
by 培双 周
Free
🎬 Entertainment
(0)
12
Fish Planet
Fish Planet
Fish Planet
Encyclopedia of fish
Free

A comprehensive fish encyclopedia and fishing guide in 50 languages. Discover detailed information on 800 fish species, including their habitats, feeding habits, and optimal fishing conditions. Includes helpful tools like a fisherman's calendar and knot guides.

800 fish species encyclopediaMulti-language support (50 languages)Detailed fish profiles
🔍 Reference
(138)
free with in-app purchases
13
Fish identifier: fish finder
Fish identifier: fish finder
Fish identifier: fish finder
Identify Any Fish Instantly
Free
📚 Education
(0)
14
Angling iQ - Fishing App
Angling iQ - Fishing App
Angling iQ - Fishing App
Digital fishing logbooks
Free

Record your fishing trips, including catches, photos, and videos. Discover new fishing spots, view tidal and moon phase data, and connect with a community of anglers. Share your experiences or keep them private with full control over your data.

Log catches with details and mediaSearch global fishing watersView tidal and moon phase data
⚽ Sports
(169)
free
15
Erchang Fish
Erchang Fish
Erchang Fish
Dual frequency fish finder
Free
🔧 Utilities
(0)
16
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
17
onX Fish: Midwest Fishing Maps
onX Fish: Midwest Fishing Maps
onX Fish: Midwest Fishing Maps
Lake Finder, Weather, Species
Free

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.

Lake Finder with species informationDetailed fishing maps and plannerGPS navigation and offline maps
🗺️ Navigation
(1.6K)
free with in-app purchases
18
Fish identification
Fish identification
Fish identification
Species Recognition & Finder
Free
🗺️ Navigation
(0)
19
Fish Identifier - FishSnap
Fish Identifier - FishSnap
Fish Identifier - FishSnap
AI Fish Scanner for Fishing
Free
📚 Education
(0)
20
Fish finder pro
Fish finder pro
Fish finder pro
by 科 严
Free
⚽ Sports
(0)

FAQ about Garmin Fish Finder

What are the best garmin fish finder apps for iPhone?
ActiveCaptain® tops our garmin fish finder apps ranking as of August 2026, with a 4.0-star average from 5K App Store ratings, and it's free to download.
Yes — 20 of the top garmin fish finder apps we rank are free to download, including ActiveCaptain® and STRIKER™ Cast.
ActiveCaptain® has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ garmin fish finder apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The ActiveCaptain app connects your compatible mobile device to your Garmin chartplotter. It allows you to wirelessly transfer charts, maps, software updates, routes, and waypoints. You can also access a community of boaters for reviews on marinas and points of interest, and even control your chartplotter remotely.
Key features include OneChart for purchasing and transferring new Garmin Navionics+ and Vision+ cartography, Plan a Trip for route planning, User Data Sync for backing up data, the ActiveCaptain Community for POI information, the Helm feature to control your chartplotter, easy software updates, OnDeck system monitoring, and the Garmin Quickdraw Community for HD contour maps.