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.





245+ iOS apps curated and reviewed
The best encyclopedia fish apps on iPhone average 4.1★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.4★ (11) | No | Yes | Oct 2026 | ||
| 2 | Free | 2.4★ (7) | Yes | No | Oct 2026 | ||
| 3 | Free | 5.0★ (6) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.1★ (75) | Yes | No | Oct 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | 3.0★ (3) | No | Yes | Oct 2026 | ||
| 7 | $4.99 | 5.0★ (2) | No | No | Jun 2026 | ||
| 8 | Free | — | No | No | May 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.




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.





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.