# Molecule World vs MolViewApp

The clearest difference is in-app purchases: MolViewApp at none against Molecule World's 1. MolViewApp also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (15.0 vs 17.6). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Molecule World against 5.0 for MolViewApp. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Molecule World ships an update every 2 months, MolViewApp every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Molecule World | MolViewApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/molecule-world/id863565223/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/molviewapp/id6786979305/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 16 MB | 29 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital World Biology LLC](https://appshunter.io/developer/863565226) | [Donghan Lee](https://appshunter.io/developer/1820113725) |

## 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 (1)**

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


### MolViewApp

[App page](https://appshunter.io/ios/app/molviewapp/id6786979305)

Explore 3D molecular structures with interactive visualizations. Load PDB files locally or by ID and utilize various display modes and advanced features like electrostatic potential mapping and structural alignment. All processing is done on-device for privacy.

**Highlights:** Load PDB files locally or by ID, Multiple structure loading and visibility control, Surface electrostatic potential map, Structural alignment and superposition, Secondary structure coloring, Morphing between conformations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Molecule World free?

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

### Is MolViewApp free?

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

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

Molecule World and MolViewApp are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Molecule World or MolViewApp have ads?

Neither Molecule World nor MolViewApp shows ads.

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

Molecule World ships an update every 2 months, and MolViewApp every 2 days. Most recently, Molecule World was updated on October 24, 2026 and MolViewApp on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*