# WebMO Molecule Editor vs PASCO Chemvue

The clearest difference is iOS requirement: WebMO Molecule Editor at 12.0 against PASCO Chemvue's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. WebMO Molecule Editor sells 2 one-off in-app purchases and PASCO Chemvue sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

WebMO Molecule Editor ships an update every 3 months, PASCO Chemvue every 5 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | WebMO Molecule Editor | PASCO Chemvue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 60.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 79 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [PASCO scientific](https://appshunter.io/developer/361907184) |

## 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 |


### PASCO Chemvue

[App page](https://appshunter.io/ios/app/pasco-chemvue/id6478240171)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemvue year long subscription | $0.99 | one-time |


## Frequently asked questions

### Is WebMO Molecule Editor free?

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

### Is PASCO Chemvue free?

PASCO Chemvue is free to download, with in-app purchases available.

### Do WebMO Molecule Editor or PASCO Chemvue have ads?

Neither WebMO Molecule Editor nor PASCO Chemvue shows ads.

### Which is updated more often, WebMO Molecule Editor or PASCO Chemvue?

WebMO Molecule Editor ships an update every 3 months, and PASCO Chemvue every 5 months. Most recently, WebMO Molecule Editor was updated on October 15, 2026 and PASCO Chemvue on October 8, 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.*