# iMolview vs WebMO Molecule Editor

The clearest difference is price: WebMO Molecule Editor at Free against iMolview's $0.99. WebMO Molecule Editor also leads on rating (4.0 vs 3.6) and ratings volume (40 vs 13). iMolview's advantage is in-app purchases (none vs 2) and review sentiment (78% vs 60%). On update cadence, ads, device support and iOS requirement there is nothing between them.

WebMO Molecule Editor is free to download; iMolview costs $0.99 up front. WebMO Molecule Editor sells 2 one-off in-app purchases. iMolview asks for nothing beyond the download.

WebMO Molecule Editor holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 13 and 40 respectively. Written reviews complicate that: 78% of iMolview's written reviews are positive against 60% of WebMO Molecule Editor's, so the app with the better star average is not the one people write more warmly about.

iMolview ships an update every 2 months, WebMO Molecule Editor every 3 months. The most recent releases landed on September 22, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | iMolview | WebMO Molecule Editor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.6 (13 ratings)](https://appshunter.io/ios/app/imolview/id431002306/reviews) | **[4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews)** |
| Number of ratings | 13 | **40** |
| Positive reviews | **78.1% of reviews** | 60.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 55 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Molsoft](https://appshunter.io/developer/431002309) | [WebMO, LLC](https://appshunter.io/developer/797898098) |

## What reviewers say

### iMolview

[App page](https://appshunter.io/ios/app/imolview/id431002306)

Explore biological molecules in 3D. View proteins, DNA, and drug structures from major databases. Customize representations, select specific elements, and analyze molecular interactions. Sync your own files and save scenes for later.

**Highlights:** 3D molecular visualization, Browse PDB, DrugBank, Pubchem, Customizable representations, Individual element coloring, Neighbor analysis, Electron density map contouring, Scene saving and management

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is iMolview free?

iMolview costs $0.99, with no in-app purchases.

### Is WebMO Molecule Editor free?

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

### Which has better reviews, iMolview or WebMO Molecule Editor?

WebMO Molecule Editor is rated higher. iMolview averages 3.6 out of 5 from 13 ratings, while WebMO Molecule Editor averages 4.0 from 40 ratings.

### Do iMolview or WebMO Molecule Editor have ads?

Neither iMolview nor WebMO Molecule Editor shows ads.

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

iMolview ships an update every 2 months, and WebMO Molecule Editor every 3 months. Most recently, iMolview was updated on September 22, 2026 and WebMO Molecule Editor on September 3, 2026.

---

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