# iORA vs Explayn

The clearest difference is rating: iORA at 5.0 against Explayn's 4.2. Explayn's advantage is iOS requirement (12.0 vs 14.3). On price, review sentiment, ratings volume 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.

iORA holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | iORA | Explayn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/explayn-learn-chemistry/id6448284993/reviews) |
| Number of ratings | **12** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 40 MB | 1.3 GB |
| Requires iOS | 14.3 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ess](https://appshunter.io/developer/1609524915) | [Francois Lagunas](https://appshunter.io/developer/1585614718) |

## What reviewers say

### 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


### Explayn

[App page](https://appshunter.io/ios/app/explayn-learn-chemistry/id6448284993)

Explore chemistry through interactive 3D experiments and virtual lessons. Build molecules, understand atomic vibrations, and learn scientific history with a virtual teacher. This app makes complex theories accessible and engaging, even without prior knowledge.

**Highlights:** Interactive 3D universe exploration, Hands-on molecule building, Virtual experiments, Gamified learning experience, Lessons curated by expert teachers, Real-life examples and scientific history

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iORA free?

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

### Is Explayn free?

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

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

iORA is rated higher. iORA averages 5.0 out of 5 from 12 ratings, while Explayn averages 4.2 from 6 ratings.

### Do iORA or Explayn have ads?

Neither iORA nor Explayn 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.*