# 3D Frog Skeleton vs Animal Class

The clearest difference is rating: Animal Class at 4.6 against 3D Frog Skeleton's 4.0. Animal Class also leads on update cadence (every 6 days vs every 19 months) and review sentiment (75% vs 50%). 3D Frog Skeleton's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Animal Class sells 1 one-off in-app purchase. 3D Frog Skeleton asks for nothing beyond the download.

Animal Class holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 10 and 22 respectively. Written reviews point the same way: 50% of 3D Frog Skeleton's written reviews are positive against 75% of Animal Class's.

3D Frog Skeleton ships an update every 19 months, Animal Class every 6 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 3D Frog Skeleton | Animal Class |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (10 ratings)](https://appshunter.io/ios/app/3d-frog-skeleton/id791259342/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/animal-class/id1489554558/reviews)** |
| Number of ratings | 10 | **22** |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 88 MB | 246 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) | [Darren McNally](https://appshunter.io/developer/1435108864) |

## 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


### Animal Class

[App page](https://appshunter.io/ios/app/animal-class/id1489554558)

Explore animal classification with engaging trivia and stunning photography. Features nine categories, including mammals, reptiles, and birds, plus warm-up and bonus rounds.

**Highlights:** Animal classification information, Engaging trivia questions, Global animal photography, Nine distinct categories, Warm-up and bonus rounds

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $9.99 | one-time |


## Frequently asked questions

### Is 3D Frog Skeleton free?

3D Frog Skeleton is free to download, with no in-app purchases.

### Is Animal Class free?

Animal Class is free to download, with in-app purchases available.

### Which has better reviews, 3D Frog Skeleton or Animal Class?

Animal Class is rated higher. 3D Frog Skeleton averages 4.0 out of 5 from 10 ratings, while Animal Class averages 4.6 from 22 ratings.

### Do 3D Frog Skeleton or Animal Class have ads?

Neither 3D Frog Skeleton nor Animal Class shows ads.

### Which is updated more often, 3D Frog Skeleton or Animal Class?

3D Frog Skeleton ships an update every 19 months, and Animal Class every 6 days. Most recently, 3D Frog Skeleton was updated on October 4, 2026 and Animal Class on October 9, 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.*