245+ iOS apps curated and reviewed
The best encyclopedia fish apps on iPhone average 3.9★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.2★ (10) | No | Yes | Aug 2026 |
| 2 |  | Free | 3.7★ (140) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.0★ (66) | Yes | No | Aug 2026 |
| 4 |  | Free | 3.3★ (3) | No | Yes | Sep 2026 |
| 5 |  | Free | 2.0★ (4) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.7★ (20K) | No | Yes | Sep 2026 |
| 7 |  | Free | 3.0★ (2) | No | Yes | Jul 2026 |
| 8 |  | Free | 3.0★ (2) | Yes | No | Jul 2026 |
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.
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.
Access a vast digital encyclopedia with over 25,000 topics and articles covering nature, cities, and more. Read content or have it read aloud, and explore over 100 high-definition images per article. Discover popular places in over 1000 cities worldwide.
Instantly identify fish species from photos using AI. Access detailed profiles with over 30 data points, including habitat, behavior, and conservation status. Save your catches to a personal collection and ask an AI expert about marine biology and fishing.
This comprehensive guide offers everything you need to know about fly fishing, from techniques and gear to fly tying and fishing locations. Learn how to improve your skills with articles, videos, and maps, and even discover recipes for your catch.
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.
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.
Identify fish species using AI-powered photo recognition or by asking a community of experts. Get candidate species suggestions and have answers voted on by users to ensure accuracy. Useful for fishing, water activities, or educational projects.
Your comprehensive guide to fly fishing, offering all the information you need. Explore a vast collection of fly fishing knowledge in one place.
Easily identify and learn about over 2,500 marine species with this intuitive app. Track your sightings, build a bucket list, and upload photos. Connect with a community of experts for identification and discussion, with offline access available.
Explore a comprehensive catalog of 658 fish species with this reference application. Easily view fish information in either icon or list format, with adjustable photo sizes for clarity. The app features a simple and intuitive interface for straightforward navigation.
Identify fish species instantly by taking or uploading a photo. Access detailed information on over 3300 species, learn care tips for aquariums, and save your catches to a personal collection. Share your discoveries with others.
This app serves as an encyclopedia for marine life, detailing over 800 fish and 50 invertebrates. It offers quick overviews and specific information relevant to aquarists, with advanced search and filtering options.
Instantly identify fish using AI by simply taking a photo. Access a comprehensive database with detailed information and engage in AI-powered conversations to learn more about aquatic life. Ideal for anglers, explorers, and students.
Instantly identify fish species using AI by uploading a photo. Access a vast database with detailed information on habitat, behavior, and conservation status. Ideal for anglers, researchers, and hobbyists interested in aquatic life.
Instantly identify fish species from photos using AI. Access detailed profiles, learn about habitats and behaviors, and get safety insights for edible or potentially dangerous fish. Log your discoveries and share them with others.