213+ iOS apps & games curated and reviewed
The best encyclopedia fish apps on iPhone average 4.5★ across 213+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
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.
This app serves as a mobile encyclopedia for tying fishing knots. It provides detailed, illustrated, step-by-step guides for various knots, including their properties, strength reduction, and recommended line types. The app works offline and categorizes knots for easy access.
Instantly identify fish species by taking or uploading a photo. Access a vast database with detailed information and helpful tips for fish keeping. Connect with a community for shared knowledge and insights.
Instantly identify fish species, weight, and length by snapping a photo. Log your catches with detailed notes, track personal bests, and compete on leaderboards. Build a digital collection of your fishing memories.
Instantly identify fish species using your camera and access up-to-date local fishing regulations. Track your catches, log important fishing data, and store your licenses digitally. Premium features offer advanced identification, weather, and expert advice.
Lead a school of fish to survive in a dangerous ocean. Grow your group, collect eggs, and discover new species while avoiding predators. Enjoy vibrant graphics and engaging missions.
Your comprehensive guide to fly fishing, offering all the information you need. Explore a vast collection of fly fishing knowledge in one place.
Create and manage your own vibrant 3D aquariums filled with a vast array of marine life. Buy, breed, and sell fish to expand your collection, customize your tanks with decorations, and enjoy realistic fish behavior and interactions.
Create and manage your own virtual aquarium empire. Choose from over 200 exotic 3D fish and sharks, and customize your underwater environments with more than 85 decorations. Buy, breed, and sell fish to earn coins and unlock new content.
Breed and sell virtual fish to upgrade your aquarium and store. Discover over 400 unique species, nurture them with magical plants, and decorate your tank. Become the ultimate fish store tycoon in this real-time simulator.
Dive deep into the ocean to catch a variety of fish. Upgrade your gear to reach new depths, discover rare species, and earn money even when you're offline. Can you uncover the ocean's secrets?
Build your own dream undersea world by collecting and evolving hundreds of unique fish. Explore different seas, decorate your ocean environment, and complete challenging tasks. Visit friends' seas, trade fish, and discover hidden treasures.
Create and customize your own vibrant underwater world with a vast array of fish, sea creatures, and decorations. Raise and breed exotic fish, discover new species, and connect with a community of fellow aquarium enthusiasts through chat and gifting.
Build and manage a thriving aquarium, attracting visitors and collecting diverse aquatic life. Upgrade exhibits, research marine species, and expand your facilities to earn money and become a wealthy aquarium tycoon.
Grow from a tiny fish into the apex predator in a vast ocean. Devour marine life, unlock abilities, and discover over 100 unique species. Collect ancient creatures and gain powers from "Great Hoards" to dominate the seas.
Embark on a thrilling underwater adventure as a cat, using various harpoons and items to catch over 150 unique fish species. Explore vibrant seas, decorate your aquarium, and enjoy charming graphics and engaging gameplay with special events.
This comprehensive fishing application offers extensive data on fishing spots, marine weather, tide charts, and a detailed guide to global fish species. It provides local fishing reports, regulations, and navigation tools to enhance your angling experience, whether you're a beginner or a seasoned angler.
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.
Experience realistic multiplayer fishing with diverse global locations and competitive duels. Collect and upgrade lure cards to catch bigger fish, participate in challenges, and join clans. Master your angling skills to conquer the fishing world.
Experience a vibrant, interactive 3D aquarium on your device. Watch realistic fish swim, interact with them by touching the screen, and even download new species. Personalize your aquarium with custom backgrounds from your photo library.