# 3D Bird Anatomy vs Visible Cat

The clearest difference is price: Visible Cat at Free against 3D Bird Anatomy's $14.99. Visible Cat also leads on update cadence (every 4 days vs every 34 months). 3D Bird Anatomy's advantage is rating (4.7 vs 1.0) and in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Visible Cat is free to download; 3D Bird Anatomy costs $14.99 up front. Visible Cat sells 3 in-app purchases, starting at $1.99 per month. 3D Bird Anatomy asks for nothing beyond the download.

3D Bird Anatomy holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

3D Bird Anatomy ships an update every 34 months, Visible Cat every 4 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 3D Bird Anatomy | Visible Cat |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/3d-bird-anatomy/id1031085946/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/visible-cat/id6505015749/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 104 MB | 284 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Biosphera](https://appshunter.io/developer/569303204) | [荣杰 章](https://appshunter.io/developer/1736051678) |

## What reviewers say

### 3D Bird Anatomy

[App page](https://appshunter.io/ios/app/3d-bird-anatomy/id1031085946)

Explore a detailed, interactive 3D model of a pigeon's internal anatomy. View and manipulate systems layer by layer, highlight structures, and remove them to see deeper details. Available in multiple languages.

**Highlights:** Interactive 3D pigeon model, Layer-by-layer anatomical view, Simultaneous layer viewing, Adjustable zoom levels, Highlight and caption structures, Remove structures for deeper viewing

**Features:** Vision Pro support

**In-app purchases:** none


### Visible Cat

[App page](https://appshunter.io/ios/app/visible-cat/id6505015749)

Explore the intricate 3D anatomy of a cat with this educational app. Ideal for veterinary professionals and students, it allows detailed examination of skeletal, muscular, nervous, and organ systems. Easily isolate, hide, or reveal specific structures for in-depth learning.

**Highlights:** 3D cat anatomy model, Toggle anatomy systems, Structure descriptions, Show/hide structures, Search anatomical structures, Multi-language support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version 1 Month | $1.99 | per month |
| Full Version 3 Months | $2.99 | per 3 months |
| Full Version 1 Year | $9.99 | per year |


## Frequently asked questions

### Is 3D Bird Anatomy free?

3D Bird Anatomy costs $14.99, with no in-app purchases.

### Is Visible Cat free?

Visible Cat is free to download, with in-app purchases available.

### Which has better reviews, 3D Bird Anatomy or Visible Cat?

3D Bird Anatomy is rated higher. 3D Bird Anatomy averages 4.7 out of 5 from 3 ratings, while Visible Cat averages 1.0 from 1 ratings.

### Do 3D Bird Anatomy or Visible Cat have ads?

Neither 3D Bird Anatomy nor Visible Cat shows ads.

### Which is updated more often, 3D Bird Anatomy or Visible Cat?

3D Bird Anatomy ships an update every 34 months, and Visible Cat every 4 days. Most recently, 3D Bird Anatomy was updated on November 1, 2026 and Visible Cat on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*