# 3D Fish Anatomy vs Lambda calculus

The clearest difference is price: Lambda calculus at Free against 3D Fish Anatomy's $11.99. 3D Fish Anatomy's advantage is rating (4.5 vs 2.5) and iOS requirement (12.0 vs 16.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Lambda calculus is free to download; 3D Fish Anatomy costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3D Fish Anatomy holds the better App Store score, 4.5 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | 3D Fish Anatomy | Lambda calculus |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/3d-fish-anatomy/id1151204663/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/lambda-calculus/id6737766234/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | — |
| Monetization | Paid | **Free** |
| Size | 115 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Biosphera](https://appshunter.io/developer/569303204) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### 3D Fish Anatomy

[App page](https://appshunter.io/ios/app/3d-fish-anatomy/id1151204663)

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:** Vision Pro support

**In-app purchases:** none


### Lambda calculus

[App page](https://appshunter.io/ios/app/lambda-calculus/id6737766234)

Learn the fundamentals of lambda calculus with this educational application. Gain a basic understanding of this important mathematical concept through an introductory experience.

**Highlights:** Introduction to lambda calculus, Basic understanding of concepts, Educational content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Fish Anatomy free?

3D Fish Anatomy costs $11.99, with no in-app purchases.

### Is Lambda calculus free?

Lambda calculus is free to download, with no in-app purchases.

### Which has better reviews, 3D Fish Anatomy or Lambda calculus?

3D Fish Anatomy is rated higher. 3D Fish Anatomy averages 4.5 out of 5 from 2 ratings, while Lambda calculus averages 2.5 from 2 ratings.

### Do 3D Fish Anatomy or Lambda calculus have ads?

Neither 3D Fish Anatomy nor Lambda calculus shows ads.

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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.*