# WebMO Molecule Editor vs Molecules that changed the World

The clearest difference is rating: WebMO Molecule Editor at 4.0 against Molecules that changed the World's 3.3. WebMO Molecule Editor also leads on ratings volume (40 vs 4) and review sentiment (60% vs 50%). Molecules that changed the World's advantage is in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. WebMO Molecule Editor sells 2 one-off in-app purchases. Molecules that changed the World asks for nothing beyond the download.

WebMO Molecule Editor holds the better App Store score, 4.0 against 3.3. That said, the two scores are not equally well evidenced: WebMO Molecule Editor has 40 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 60% of WebMO Molecule Editor's written reviews are positive against 50% of Molecules that changed the World's.

WebMO Molecule Editor ships an update every 3 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 | WebMO Molecule Editor | Molecules that changed the World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/molecules-that-changed-the-world/id1102745607/reviews) |
| Number of ratings | **40** | 4 |
| Positive reviews | **60.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 79 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [ZKM \| Zentrum fuer Kunst und Medientechnologie Karlsruhe](https://appshunter.io/developer/418549105) |

## What reviewers say

### WebMO Molecule Editor

[App page](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095)

Create and explore 3D molecular structures, visualize chemical properties, and access extensive chemical databases. This tool is ideal for students and educators needing on-the-go access to molecular information and computational chemistry resources.

**Highlights:** 3D molecular editor, Structure optimization, Orbital and symmetry visualization, Chemical database lookup, Spectra visualization, High-resolution image capture, Computational chemistry program integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WebMO Premium for paid users | Free | one-time |
| WebMO Premium | $4.99 | one-time |


### 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 WebMO Molecule Editor free?

WebMO Molecule Editor is free to download, with in-app purchases available.

### 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, WebMO Molecule Editor or Molecules that changed the World?

WebMO Molecule Editor is rated higher. WebMO Molecule Editor averages 4.0 out of 5 from 40 ratings, while Molecules that changed the World averages 3.3 from 4 ratings.

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

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

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

WebMO Molecule Editor ships an update every 3 months, and Molecules that changed the World every 3 weeks. Most recently, WebMO Molecule Editor 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.*