Whatfish: Fish Guide

Identify 1,300+ Fish Offline

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Identify 1,300+ marine species instantly with WhatFish. Use keywords to find species with no internet needed! The perfect offline field guide for divers and snorkelers. Ever found yourself underwater (or on a remote beach) wondering exactly what just swam past? Meet Whatfish, the ultimate digital field guide designed for divers, snorkelers, and ocean enthusiasts who don’t want to wait for a signal to satisfy their curiosity. Why You’ll Love It: Massive Database: Identify over 1,300 marine species at your fingertips. Offline Access: No signal? No problem. The entire database lives on your phone, making it the perfect companion for remote dive boat trips or offshore adventures. Smart Search: Forget complex Latin names. Find what you’re looking for instantly using simple keyword searches based on what you see. Whether you're a pro diver or a casual snorkeler, Whatfish turns your iPhone into a powerful marine encyclopedia. Download Whatfish today and put the world’s oceans in your pocket. Explore. Identify. Learn. Anywhere.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

Bug fixes and small improvements: • Smarter filter toggling (no duplicate chips; clearer selected state in the menu). • Settings: full-access users see “photos unlocked” instead of a purchase prompt. • French wording and small Settings layout/visual polish.

Version 6.1.2

The developer, thomas demesmaeker, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • thomas demesmaeker
    Size
    • 51.3 MB
    Category
    • Travel
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPad
      Requires iPadOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English and French
    Age Rating
    16+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Thomas Demesmaeker
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More