# Rat Dissection vs Molecule World

The clearest difference is review sentiment: Molecule World at 100% against Rat Dissection's 44%. Molecule World also leads on price (Free vs $3.99) and rating (5.0 vs 2.4). Rat Dissection's advantage is iOS requirement (9.0 vs 17.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Molecule World is free to download; Rat Dissection costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Molecule World holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 44% of Rat Dissection's written reviews are positive against 100% of Molecule World's.

Rat Dissection ships an update every 12 months, Molecule World every 2 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Rat Dissection | Molecule World |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [2.4 (8 ratings)](https://appshunter.io/ios/app/rat-dissection/id418516605/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/molecule-world/id863565223/reviews)** |
| Number of ratings | **8** | 4 |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 115 MB | 8 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [GP Strategies Corporation](https://appshunter.io/developer/688297436) | [Digital World Biology LLC](https://appshunter.io/developer/863565226) |

## What reviewers say

### Rat Dissection

[App page](https://appshunter.io/ios/app/rat-dissection/id418516605)

Experience a virtual rat dissection on your iPad with step-by-step instructions and voice-over. Explore detailed 3D images of internal organs and learn about their structure and function. This educational tool is designed for middle and high school students to supplement science curriculum.

**Highlights:** Virtual rat dissection simulation, Step-by-step instructions with voice-over, Vivid 3D images of internal organs, Detailed information on organ structure and function, Content validated by subject matter experts, Suitable for middle and high school science curriculum

**Features:** macOS Compatibility

**In-app purchases:** none


### Molecule World

[App page](https://appshunter.io/ios/app/molecule-world/id863565223)

Explore interactive 3D models of molecules, proteins, and DNA. This educational tool allows users to manipulate structures, experiment with visualization styles, and learn about chemical properties. Ideal for students and science enthusiasts of all ages.

**Highlights:** Interactive 3D molecule manipulation, Experiment with drawing and coloring styles, View and control molecular sequences (protein, DNA, RNA), Identify elements and investigate molecular properties, Capture images of molecular structures, Explore themed collections of molecules

**In-app purchases:** none


## Frequently asked questions

### Is Rat Dissection free?

Rat Dissection costs $3.99, with no in-app purchases.

### Is Molecule World free?

Molecule World is free to download, with no in-app purchases.

### Which has better reviews, Rat Dissection or Molecule World?

Molecule World is rated higher. Rat Dissection averages 2.4 out of 5 from 8 ratings, while Molecule World averages 5.0 from 4 ratings.

### Do Rat Dissection or Molecule World have ads?

Neither Rat Dissection nor Molecule World shows ads.

### Which is updated more often, Rat Dissection or Molecule World?

Rat Dissection ships an update every 12 months, and Molecule World every 2 months. Most recently, Rat Dissection was updated on September 10, 2026 and Molecule World on September 20, 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.*