# Explayn vs Prep'IA

The clearest difference is iOS requirement: Explayn at 12.0 against Prep'IA's 14.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Explayn | Prep'IA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/explayn-learn-chemistry/id6448284993/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 1.3 GB | 22 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francois Lagunas](https://appshunter.io/developer/1585614718) | [Dapfor](https://appshunter.io/developer/1462571116) |

## What reviewers say

### 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


### Prep'IA

[App page](https://appshunter.io/ios/app/prepia/id6744869581)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Explayn free?

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

### Is Prep'IA free?

Prep'IA is free to download, with no in-app purchases.

### Do Explayn or Prep'IA have ads?

Neither Explayn nor Prep'IA 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.*