# WebMO Molecule Editor vs Structure Viewer

The clearest difference is in-app purchases: Structure Viewer at none against WebMO Molecule Editor's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WebMO Molecule Editor sells 2 one-off in-app purchases. Structure Viewer asks for nothing beyond the download.

## The numbers

| Metric | WebMO Molecule Editor | Structure Viewer |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 45 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [Jeff Shafferman](https://appshunter.io/developer/1605647086) |

## 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 |


### Structure Viewer

[App page](https://appshunter.io/ios/app/structure-viewer/id1605647084)

Visualize molecular structures in 2D by entering their common names. This educational tool displays chemical structures with all hydrogen atoms clearly rendered.

**Highlights:** Enter common molecular names, Render structures in 2D, Display all hydrogens, Educational tool

**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 Structure Viewer free?

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

### Do WebMO Molecule Editor or Structure Viewer have ads?

Neither WebMO Molecule Editor nor Structure Viewer shows ads.

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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.*