# Molecule World vs Molecules that changed the World

The clearest difference is review sentiment: Molecule World at 100% against Molecules that changed the World's 50%. Molecule World also leads on rating (5.0 vs 3.3). Molecules that changed the World's advantage is monetization model (free vs paid) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Molecule World holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 100% of Molecule World's written reviews are positive against 50% of Molecules that changed the World's.

Molecule World ships an update every 2 months, Molecules that changed the World every 3 weeks. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Molecule World | Molecules that changed the World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/molecule-world/id863565223/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/molecules-that-changed-the-world/id1102745607/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 15 MB | 79 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital World Biology LLC](https://appshunter.io/developer/863565226) | [ZKM \| Zentrum fuer Kunst und Medientechnologie Karlsruhe](https://appshunter.io/developer/418549105) |

## What reviewers say

### 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

**Features:** Family Sharing

**In-app purchases:** none


### Molecules that changed the World

[App page](https://appshunter.io/ios/app/molecules-that-changed-the-world/id1102745607)

Explore the scientific facts and captivating stories behind molecules that have shaped our world. Discover how basic compounds like water and complex synthetics like aspirin influenced culture, civilization, and life itself.

**Highlights:** Scientific facts about influential molecules, Stories of cultural and civilizational impact, Covers basic and synthetic compounds, Explains chemical background, Details historical and cultural influence

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Molecule World free?

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

### Is Molecules that changed the World free?

Molecules that changed the World is free to download, with no in-app purchases.

### Which has better reviews, Molecule World or Molecules that changed the World?

Molecule World is rated higher. Molecule World averages 5.0 out of 5 from 4 ratings, while Molecules that changed the World averages 3.3 from 4 ratings.

### Do Molecule World or Molecules that changed the World have ads?

Neither Molecule World nor Molecules that changed the World shows ads.

### Which is updated more often, Molecule World or Molecules that changed the World?

Molecule World ships an update every 2 months, and Molecules that changed the World every 3 weeks. Most recently, Molecule World was updated on October 7, 2026 and Molecules that changed the World on September 23, 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.*