# Molecule World vs Molecule Lab

The clearest difference is review sentiment: Molecule World at 100% against Molecule Lab's 50%. Molecule World also leads on rating (5.0 vs 4.3) and update cadence (every 3 weeks vs every 24 months). Molecule Lab's advantage is in-app purchases (none vs 1) and ratings volume (25 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Molecule World sells 1 one-off in-app purchase. Molecule Lab asks for nothing beyond the download.

Molecule World holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Molecule Lab has 25 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Molecule World's written reviews are positive against 50% of Molecule Lab's.

Molecule World ships an update every 3 weeks, Molecule Lab every 24 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Molecule World | Molecule Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/molecule-world/id863565223/reviews)** | [4.3 (25 ratings)](https://appshunter.io/ios/app/molecule-lab/id1434237899/reviews) |
| Number of ratings | 4 | **25** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 24 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 1 MB |
| Requires iOS | 17.6 | **13.2** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital World Biology LLC](https://appshunter.io/developer/863565226) | [Maxamix](https://appshunter.io/developer/667167982) |

## What reviewers say

### Molecule World

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

Explore and analyze 3D molecular structures, connecting sequence data to their 3D forms. Visualize proteins, DNA, RNA, and small molecules with interactive tools for scientists, educators, and students.

**Highlights:** 3D molecular visualization, Sequence and structure comparison, Experimental and computational structure support, Interactive 3D rendering, Structure library management, Molecular content creation tools (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Molecule World Pro | $29.99 | one-time |


### Molecule Lab

[App page](https://appshunter.io/ios/app/molecule-lab/id1434237899)

Create and view 3D molecular models with an intuitive editor. Supports various elements, bond types, and conformations, with undo/redo functionality. Share your creations easily via messaging and email.

**Highlights:** Build molecules in 3D, Supports oxygen, nitrogen, chlorine, carbon, hydrogen, Double and triple bond creation, Branching and rotation conformations, Undo, redo, and delete controls, Save and edit molecules, Share via text, email, and other services

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Molecule World free?

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

### Is Molecule Lab free?

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

### Which has better reviews, Molecule World or Molecule Lab?

Molecule World is rated higher. Molecule World averages 5.0 out of 5 from 4 ratings, while Molecule Lab averages 4.3 from 25 ratings.

### Do Molecule World or Molecule Lab have ads?

Neither Molecule World nor Molecule Lab shows ads.

### Which is updated more often, Molecule World or Molecule Lab?

Molecule World ships an update every 3 weeks, and Molecule Lab every 24 months. Most recently, Molecule World was updated on November 6, 2026 and Molecule Lab on November 2, 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.*