# 3D Frog Skeleton vs Visible Cat

The clearest difference is rating: 3D Frog Skeleton at 4.0 against Visible Cat's 1.0. 3D Frog Skeleton also leads on in-app purchases (none vs 3) and ratings volume (10 vs 1). Visible Cat's advantage is update cadence (every 4 days vs every 19 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Visible Cat sells 3 in-app purchases, starting at $1.99 per month. 3D Frog Skeleton asks for nothing beyond the download.

3D Frog Skeleton holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: 3D Frog Skeleton has 10 ratings behind it against 1, so its average is the more settled of the two.

3D Frog Skeleton ships an update every 19 months, Visible Cat every 4 days. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 3D Frog Skeleton | Visible Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/3d-frog-skeleton/id791259342/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/visible-cat/id6505015749/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 88 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 Frog Skeleton

[App page](https://appshunter.io/ios/app/3d-frog-skeleton/id791259342)

Explore an interactive 3D model of a red-eyed treefrog's skeletal system. Highlight individual bones to see their names and learn about amphibian anatomy. Available in multiple languages, this app serves as a supplemental educational tool.

**Highlights:** Interactive 3D frog skeleton model, Highlight individual bones, Bone name captions, Multilingual support (English, Spanish, French, Portuguese), Supplemental educational resource

**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 Frog Skeleton free?

3D Frog Skeleton is free to download, 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 Frog Skeleton or Visible Cat?

3D Frog Skeleton is rated higher. 3D Frog Skeleton averages 4.0 out of 5 from 10 ratings, while Visible Cat averages 1.0 from 1 ratings.

### Do 3D Frog Skeleton or Visible Cat have ads?

Neither 3D Frog Skeleton nor Visible Cat shows ads.

### Which is updated more often, 3D Frog Skeleton or Visible Cat?

3D Frog Skeleton ships an update every 19 months, and Visible Cat every 4 days. Most recently, 3D Frog Skeleton was updated on October 4, 2026 and Visible Cat on October 1, 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.*