Comparison

3D Fish Anatomy vs World Explorer Pro

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

Head to head
About

3D Fish Anatomy

Explore the detailed internal and external anatomy of a perch with an interactive 3D model. View and manipulate systems layer by layer or simultaneously, highlighting structures with captions. Ideal for zoology, ichthyology, and fish biology studies.

Highlights
  • Interactive 3D perch model
  • View internal and external anatomy
  • Layer-by-layer system exploration
  • Adjustable zoom levels
  • Highlight anatomical structures with captions
  • Multi-language support
Features
Read full description

The 3D Fish Anatomy app is an interactive model of a perch, a teleost fish. The software allows the visualization of details of internal and external anatomy of this ray-finned fish. The 3D Fish Anatomy app is an interactive model of a perch (Perca flavens) that allows for the animal internal systems to be viewed and manipulated layer by layer or simultaneously with other layers, at various zoom levels. Individual anatomical structures can be highlighted and display a caption, or they can be removed to permit viewing of deeper structures. This app is an ideal start in the study or teaching of Zoology, Ichthyology and Fish Biology. Available in English, Spanish, French and Brazilian Portuguese. This App is intended to be a supplemental educational resource and should NOT be used as the only source of educational information, nor should the Software be used as medical advice or for medical diagnoses of any kind.

About

World Explorer Pro

Features
Read full description

Explore the world from your phone with World Explorer! Whether you're a student, traveler, teacher, or trivia lover, this interactive app is your gateway to learning about every country on Earth. Key Features: Daily Country Highlight – Discover a new featured country each day Smart Browsing – Search and filter by name, capital, region, or language Detailed Country Profiles – Flags, capitals, populations, currencies & more Favorites – Save countries for easy access and personalized learning Interactive Quizzes – Test your knowledge with fun and educational challenges Progress Stats – Track quiz results and explore global stats Beautiful Interface – SwiftUI-powered, clean, and accessible for all users Download World Explorer now and start your journey of global discovery — one country at a time!

Screenshots

3D Fish Anatomy4 screens
World Explorer Pro4 screens

Verdict

The call

The clearest difference is price: World Explorer Pro at Free against 3D Fish Anatomy's $11.99. World Explorer Pro also leads on update cadence (weekly vs every 20 months). 3D Fish Anatomy's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 18.2). On ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

World Explorer Pro is free to download; 3D Fish Anatomy costs $11.99 up front. World Explorer Pro sells 1 one-off in-app purchase. 3D Fish Anatomy asks for nothing beyond the download.

UpkeepUpdate frequency

3D Fish Anatomy ships an update every 20 months, World Explorer Pro weekly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
3D Fish Anatomy versus World Explorer Pro: the parameters behind the verdict, then further details
Parameter3D Fish AnatomyWorld Explorer Pro
Price$11.99Free — better
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 20 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.2
Further details — not scored
Size115 MB9 MB
Age rating4+17+
DeveloperBiospheraChatStick Company Limited

In-app purchases

None

3D Fish Anatomy

No in-app purchases

1 purchases

World Explorer Pro

One-time1
  • Unlock All Feature$0.99

Questions

Is 3D Fish Anatomy free?
3D Fish Anatomy costs $11.99, with no in-app purchases.
Is World Explorer Pro free?
World Explorer Pro is free to download, with in-app purchases available.
Do 3D Fish Anatomy or World Explorer Pro have ads?
Neither 3D Fish Anatomy nor World Explorer Pro shows ads.
Which is updated more often, 3D Fish Anatomy or World Explorer Pro?
3D Fish Anatomy ships an update every 20 months, and World Explorer Pro weekly. Most recently, 3D Fish Anatomy was updated on October 26, 2026 and World Explorer Pro on October 28, 2026.

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