Comparison

Reef Guide vs Aqua Dex

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Reef Guide

Features
Read full 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, โ€ฆ) - 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

About

Aqua Dex

Features
Read full description

Curious about the life hidden beneath the surface? Explore over a hundred fish species with detailed descriptions, scientific names, and vivid illustrations across reefs, rivers, lakes, and icy waters. Learn how fish breathe, migrate, and fit into complex food chains through clear, engaging explanations. With AI tools that answer questions, generate images, and even help you invent new species, discovery becomes something you can shape and collect.

Screenshots

Reef Guide4 screens
Aqua Dex4 screens

Verdict

The call

The clearest difference is price: Aqua Dex at Free against Reef Guide's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Aqua Dex is free to download; Reef Guide costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference ยท 5 level
Reef Guide versus Aqua Dex: the parameters behind the verdict, then further details
ParameterReef GuideAqua Dex
Price$1.99Free โ€” better
Update frequencyEvery 6 monthsโ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS14 โ€” better15.0
Further details โ€” not scored
Size1.8 GB12 MB
Age rating4+17+
DeveloperHarald FeisteYuri Vardanyan

In-app purchases

None

Reef Guide

No in-app purchases

None

Aqua Dex

No in-app purchases

Questions

Is Reef Guide free?
Reef Guide costs $1.99, with no in-app purchases.
Is Aqua Dex free?
Aqua Dex is free to download, with no in-app purchases.
Do Reef Guide or Aqua Dex have ads?
Neither Reef Guide nor Aqua Dex shows ads.

Other comparisons