Reef Guide

Reef Guide

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Reef Guide: Your Expert Companion for Underwater Discovery

Identify over 1,000 marine species with professional photos and videos at your fingertips. Built for divers and snorkelers who value privacy and reliability, our complete reference works entirely offline with no ads and no subscriptions.

Download on App Store

Publisher

Harald Feiste

Category

Reference

Downloads

6K+

User Rating

3.5/5

Total Ratings

0

Locales

2

The Ocean at Your Fingertips

Discover the interface used by 6K+ users.

Screenshot of the Reef Guide app displaying a photo index of various anemonefish and angelfish species for identification.

Screenshot of the Reef Guide app displaying a photo index of various anemonefish and angelfish species for identification.

Reef Guide app screen showing details for Gray angelfishes with common and Latin names and an underwater video thumbnail

Reef Guide app screen showing details for Gray angelfishes with common and Latin names and an underwater video thumbnail

Underwater video of an angelfish swimming near a coral reef within the Reef Guide app interface

Underwater video of an angelfish swimming near a coral reef within the Reef Guide app interface

World map in the Reef Guide app showing selectable diving regions like the Red Sea and Maldives

World map in the Reef Guide app showing selectable diving regions like the Red Sea and Maldives

Alphabetical list of 91 marine species families including Angelfishes and Barracudas in the Reef Guide app

Alphabetical list of 91 marine species families including Angelfishes and Barracudas in the Reef Guide app

Search results for marine species in the Reef Guide app showing photos with common and Latin names

Search results for marine species in the Reef Guide app showing photos with common and Latin names

Settings screen of the Reef Guide app showing language selection for English and German and a link to the privacy policy.

Settings screen of the Reef Guide app showing language selection for English and German and a link to the privacy policy.

Master the Secrets of the Reef

The tools that make this app stand out, trusted by 6K+ users.

🚢

Designed for the Open Sea

No signal? No problem. The entire guide is available 100% offline, making it the perfect companion for dive boats, remote islands, and deep-sea expeditions.

🎥

Identification in Motion

Go beyond static images with high-quality amateur films. Observe species in their natural environment to identify elusive fish by their movement and behavior.

🔍

Scientific Precision

Perfect for logbook entries and serious naturalists. Access names in English, German, and Latin for over 1,000 species including fish, corals, and sea slugs.

Loved by users worldwide

Trusted by 6K+ people who love this app.

"

"Finally, an app that understands what divers actually need. The offline functionality is a lifesaver when you're miles offshore without a signal. I especially appreciate the scientific Latin names and the clean, ad-free interface. It’s become an essential part of my post-dive ritual."

Mark Stevens
"

"Identifying what we see on our snorkeling trips has never been easier. The videos are incredible for seeing how the animals actually move in the wild, which makes identification so much more accurate than using photos alone. My kids and I love scrolling through the species on the iPad at the end of the day. Best of all, no hidden costs or subscriptions!"

Elena Rodriguez

About the app

Everything you need to know about Reef Guide.

Description

You want to know how hot the animals that can be seen while scuba diving or snorkeling? Find the answer through fingertip on images! In Reef Guide you will found the names to more then a thousand fishes, turtles, sea slugs, corals and mutch other species, which living on coral reef. Short amateur movies show all animals in theier natural environment, as they can each watch. Features: - more than a thousand items with names in English, German and Latin - App-language setting English or German - photo index as of contents - you can scroll through the details of specie to specie like a book - select by family name (for example: show all sea turtles, anamonefishes, …) - choose a popular region worldwide - photos and movies in screen size (rotation) - intelligent full-text search, same in popular or Latin name - Darkmode - no internet connection required - no In-App purchases / no subscription - no promotion - universal-app, works for all devices with iOS/iPadOS 14.6 or newer: iPhone, iPad and iPod touch and Mac silicon with macOS 15.0 or newer

Latest Version

1.5.2

Size

1.8 GB

First Released

Jul 27, 2015

Ready to Identify Your Next Discovery?

Join 6,000+ divers and snorkelers using the ultimate offline reference for 1,000+ species. No subscriptions, no ads—just the ocean's wonders at your fingertips, even in the most remote dive spots.

Download on App Store