# PocketMDS vs iORA

The clearest difference is ratings volume: iORA at 12 against PocketMDS's 1. PocketMDS's advantage is iOS requirement (12.0 vs 14.3). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for PocketMDS against 5.0 for iORA. That said, the two scores are not equally well evidenced: iORA has 12 ratings behind it against 1, so its average is the more settled of the two.

PocketMDS ships an update every 4 months, iORA every 2 months. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | PocketMDS | iORA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pocketmds/id713518042/reviews) | [5.0 (12 ratings)](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 40 MB |
| Requires iOS | **12.0** | 14.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christoph Bratschi](https://appshunter.io/developer/713518045) | [Daniel Ess](https://appshunter.io/developer/1609524915) |

## 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


### iORA

[App page](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913)

Visualize chemical reactions in 3D using quantum-mechanical simulations. This free, interactive application makes complex chemistry concepts accessible and engaging for learners.

**Highlights:** 3D chemical reaction visualization, Quantum-mechanical simulations, Interactive learning, Easy to use interface, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PocketMDS free?

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

### Is iORA free?

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

### Which has better reviews, PocketMDS or iORA?

PocketMDS and iORA are both rated 5.0 out of 5 on the App Store, from 1 and 12 ratings respectively.

### Do PocketMDS or iORA have ads?

Neither PocketMDS nor iORA shows ads.

### Which is updated more often, PocketMDS or iORA?

PocketMDS ships an update every 4 months, and iORA every 2 months. Most recently, PocketMDS was updated on September 9, 2026 and iORA on September 7, 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.*