Best Marine Fish Guide Apps

239+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated August 2026

If you already know Marine Fish Guide, this is the deeper bench. 239+ marine fish guide apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Marine Fish Guide Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Marine Fish GuideMarine Fish Guide$9.99 was $11.99NoNoJun 2026
2Fish PlanetFish PlanetFree3.7★ (140)YesYesAug 2026
3Encyclopedia of FishEncyclopedia of FishFree3.2★ (10)NoYesAug 2026
4SeaLife: Explore Marine LifeSeaLife: Explore Marine LifeFreeNoNoAug 2026
5JSG GuideJSG GuideFree4.0★ (3)NoYesAug 2026
6All Blue - The Field GuideAll Blue - The Field GuideFreeNoNoJun 2026
7Fishbrain - Fishing AppFishbrain - Fishing AppFree4.7★ (71K)YesYesAug 2026
8Tetiaroa Fish GuideTetiaroa Fish GuideFree5.0★ (6)NoNoMay 2026

Top Picks for Marine Fish Guide

Marine Fish Guide#1

Marine Fish Guide by mydigitalearth.com

for Southern Africa
Editor's Choice
🔍 Reference
0.0(0 ratings)
$9.99
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This guide helps South African marine anglers identify fish species. It provides detailed information, regulations, and tools like a length/weight calculator for 249 common catches.

Fish Planet#2

Fish Planet by Web and Print

Encyclopedia of fish
Strong Contender
🔍 Reference
3.7(140 ratings)
FreeAdsIn-App Purchases
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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.

Encyclopedia of Fish#3

Encyclopedia of Fish by Good Spider, LLC

Worth Considering
📚 Education
3.2(10 ratings)
FreeIn-App Purchases
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Discover a vast collection of fish species with detailed articles and stunning HD photos. This app offers an engaging and easy-to-understand learning experience for all ages, with offline access and a badge system to encourage exploration.

More Marine Fish Guide apps to explore

4
SeaLife: Explore Marine Life
SeaLife: Explore Marine Life
SeaLife: Explore Marine Life
Divers and nature guide
Free

Discover over 1,000 marine species from various oceans with detailed profiles. Search and filter species by name, color, shape, or habitat. Learn about their behavior, morphology, and natural environment.

1,000+ marine species profilesPhotos in natural habitatBehavior and morphology info
📚 Education
(0)
free
5
JSG Guide
JSG Guide
JSG Guide
Conner Martinis
Free

Access expert fishing knowledge with curated spots, bathymetric maps, and live conditions. An AI guide helps plan trips, log catches, and track routes, even offline. Ideal for anglers seeking to improve their catch rates.

Curated fishing spots with rigs and depthsBathymetric depth contour mapsLive weather and tide conditions
🗺️ Navigation
(3)
free with in-app purchases
6
All Blue - The Field Guide
All Blue - The Field Guide
All Blue - The Field Guide
Fish ID & Marine Field Guide
Free
🔍 Reference
(0)
7
Fishbrain - Fishing App
Fishbrain - Fishing App
Fishbrain - Fishing App
Fish Spots, Maps & Forecast
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
(71K)
free with in-app purchases
8
Tetiaroa Fish Guide
Tetiaroa Fish Guide
Tetiaroa Fish Guide
by Tetiaroa Society
Free

Identify common shallow-water reef fish in the Tetiaroa Atoll lagoon with this guide designed for snorkelers. Browse species like a book or search by color and shape, viewing up to five photos per fish. Save identified fish with notes and share your discoveries.

Identify 134 fish speciesSearch by color, shape, or nameMultiple photos per fish
✈️ Travel
(6)
free
9
Fish edu
Fish edu
Fish edu
Ultimate fish explorer.
Free
📚 Education
(0)
10
West Coast Fish ID
West Coast Fish ID
West Coast Fish ID
West Coast Fish ID guide
Free

This app serves as a digital encyclopedia for identifying common fish species found along the North American West Coast. It uses high-quality images, illustrations, and key characteristics to help anglers quickly identify their catches and differentiate between similar species.

Digital fish encyclopediaHigh-quality images and illustrationsKey species characteristics
⚽ Sports
(15)
free
11
Tropical Reefs Species Guide
Tropical Reefs Species Guide
Tropical Reefs Species Guide
Find names of marine life
Free

Identify marine life encountered while scuba diving or snorkeling. This app provides a comprehensive guide to fish, invertebrates, and corals found in tropical reef ecosystems.

Identify fishIdentify invertebratesIdentify corals
✈️ Travel
(7)
free
12
Fins - Fish ID
Fins - Fish ID
Fins - Fish ID
Dive log, games & scuba travel
Free

Instantly identify marine life from photos or guided searches. Log your dives, track sightings, and build a personal species collection. Engage with trivia games, earn badges, and plan liveaboard trips while contributing to ocean conservation.

AI Marine Species IDGuided SearchDive Logbook
🔍 Reference
(8)
freemium
13
Seafood Guide
Seafood Guide
Seafood Guide
by Breelabs
Free

Quickly identify seafood sustainability, health benefits, and invasive status. Access a comprehensive glossary and detailed information on fish populations and socio-economic factors.

Seafood sustainability lookupHealth benefits informationInvasive species identification
🌟 Lifestyle
(3)
free
14
Fishes: East Pacific
Fishes: East Pacific
Fishes: East Pacific
by Smithsonian Institution
Free

Identify tropical Eastern Pacific shore fish with this comprehensive guide. Features over 1,300 species with detailed descriptions, images, and range maps. Works offline and includes search and note-taking tools.

1,358 species coverageOver 5,000 imagesEnglish and Spanish interfaces
📚 Education
(6)
free
15
Fish Mapping
Fish Mapping
Fish Mapping
SiriusXM Fish Mapping
Free

This app provides detailed fishing recommendations and environmental data to help anglers find the best spots for bait and game fish. It displays information like plankton strength, sea surface temperature, and ocean currents to optimize fishing trips.

Fishing RecommendationsWeed LinesPlankton Front Strength
🗺️ Navigation
(3)
subscription
16
Coastal Fishes
Coastal Fishes
Coastal Fishes
of the Western Indian Ocean
$14.99

Explore a comprehensive encyclopedia of 756 fish species from the Western Indian Ocean with stunning imagery and detailed facts. Search, compare, and save your favorite sightings offline. An educational tool for all ages.

756 fish species encyclopedia3000 high-quality imagesSearch and browse by category
🔍 Reference
(1)
paid
17
Aquarium Guide Fish Identifier
Aquarium Guide Fish Identifier
Aquarium Guide Fish Identifier
Tank Manager, Planner & Guide
Free

This app helps aquarium owners plan their tanks and avoid common mistakes. It checks fish compatibility and tank stocking levels, offering information on over 1000 fish species. You can save and share your aquarium setups.

Fish compatibility checkerTank overcrowding alerts1000+ fish species database
🔍 Reference
(14K)
free with in-app purchases
18
Seafoodopedia
Seafoodopedia
Seafoodopedia
by Christina Bischofberger
Free

This comprehensive guide identifies edible aquatic organisms, offering detailed information on species found in oceans, seas, and freshwater. It provides names in multiple languages, illustrations, and links to Wikipedia for further learning. Users can also add personal notes and photos.

Edible aquatic organism identificationMultilingual species namesIllustrations for each species
🍔 Food & Drink
(10)
free
19
Fish Identifier: Scanner
Fish Identifier: Scanner
Fish Identifier: Scanner
Fish Finder & Fish ID
Free
🔍 Reference
(0)
20
Types of Fish
Types of Fish
Types of Fish
Learn About Types Of Fish
Free

Learn to identify various fish species with this educational app. It offers audio pronunciation, study modes, quizzes, and bookmarking to help users memorize fish types effectively. Track your progress through chapters and overall learning.

Audio pronunciation in EnglishText-to-speech engineQuizzes for learning
📚 Education
(2)
free with in-app purchases

FAQ about Marine Fish Guide

Are there free marine fish guide apps for iPhone?
Yes — 18 of the top marine fish guide apps we rank are free to download, including Fish Planet and Encyclopedia of Fish.
Marine Fish Guide has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 239+ marine fish guide apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Marine Fish Guide is a paid app, available for $9.99. This one-time purchase grants you access to all its features and data.
Yes, you can create a personal list of your sightings within the app, which are saved to your device. This list can then be exported via email.