# PocketMDS vs WebMO Molecule Editor

The clearest difference is rating: PocketMDS at 5.0 against WebMO Molecule Editor's 4.0. PocketMDS also leads on in-app purchases (none vs 2). WebMO Molecule Editor's advantage is ratings volume (40 vs 1). On price, update cadence, ads and device support there is nothing between them.

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

PocketMDS holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: WebMO Molecule Editor has 40 ratings behind it against 1, so its average is the more settled of the two.

PocketMDS ships an update every 4 months, WebMO Molecule Editor every 3 months. The most recent releases landed on September 9, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | PocketMDS | WebMO Molecule Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pocketmds/id713518042/reviews)** | [4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews) |
| Number of ratings | 1 | **40** |
| Positive reviews | — | 60.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christoph Bratschi](https://appshunter.io/developer/713518045) | [WebMO, LLC](https://appshunter.io/developer/797898098) |

## What reviewers say

### PocketMDS

[App page](https://appshunter.io/ios/app/pocketmds/id713518042)

This application enables users to conduct molecular dynamics simulations. Explore the behavior of Lennard-Jones fluids under different environmental conditions. It's a free tool for scientific exploration.

**Highlights:** Molecular dynamics simulations, Lennard-Jones fluid simulations, Variable condition simulations, Scientific exploration tool

**Features:** macOS Compatibility

**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 PocketMDS free?

PocketMDS is free to download, 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, PocketMDS or WebMO Molecule Editor?

PocketMDS is rated higher. PocketMDS averages 5.0 out of 5 from 1 ratings, while WebMO Molecule Editor averages 4.0 from 40 ratings.

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

Neither PocketMDS nor WebMO Molecule Editor shows ads.

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

PocketMDS ships an update every 4 months, and WebMO Molecule Editor every 3 months. Most recently, PocketMDS was updated on September 9, 2026 and WebMO Molecule Editor on September 3, 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.*