# WebMO Molecule Editor vs ProteinViewerApp

The clearest difference is review sentiment: WebMO Molecule Editor at 60% against ProteinViewerApp's 0%. WebMO Molecule Editor also leads on price (Free vs $4.99) and rating (4.0 vs 3.0). ProteinViewerApp's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 3 months). On ads and device support there is nothing between them.

WebMO Molecule Editor is free to download; ProteinViewerApp costs $4.99 up front. WebMO Molecule Editor sells 2 one-off in-app purchases. ProteinViewerApp asks for nothing beyond the download.

WebMO Molecule Editor holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: WebMO Molecule Editor has 40 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of WebMO Molecule Editor's written reviews are positive against 0% of ProteinViewerApp's.

WebMO Molecule Editor ships an update every 3 months, ProteinViewerApp fortnightly. The most recent releases landed on October 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | WebMO Molecule Editor | ProteinViewerApp |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/proteinviewerapp/id6752284307/reviews) |
| Number of ratings | **40** | 2 |
| Positive reviews | **60.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 12 MB | 8 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [JONG HYUN LEE](https://appshunter.io/developer/1739037759) |

## 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 |


### ProteinViewerApp

[App page](https://appshunter.io/ios/app/proteinviewerapp/id6752284307)

Explore and learn about protein structures in 3D. This tool offers interactive visualization, educational modes, and direct access to protein data for students and researchers.

**Highlights:** 3D protein visualization, Step-by-step structural insights, Educational modes by category, Multiple rendering styles, Direct PDB integration, Clear terminology explanations

**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 ProteinViewerApp free?

ProteinViewerApp costs $4.99, with no in-app purchases.

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

WebMO Molecule Editor is rated higher. WebMO Molecule Editor averages 4.0 out of 5 from 40 ratings, while ProteinViewerApp averages 3.0 from 2 ratings.

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

Neither WebMO Molecule Editor nor ProteinViewerApp shows ads.

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

WebMO Molecule Editor ships an update every 3 months, and ProteinViewerApp fortnightly. Most recently, WebMO Molecule Editor was updated on October 7, 2026 and ProteinViewerApp on September 22, 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.*