# OChemQuiz vs Explorion | Explore & Learn

The clearest difference is in-app purchases: OChemQuiz at none against Explorion | Explore & Learn's 1. Explorion | Explore & Learn's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Explorion | Explore & Learn sells 1 one-off in-app purchase. OChemQuiz asks for nothing beyond the download.

## The numbers

| Metric | OChemQuiz | Explorion | Explore & Learn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 15 MB | 57 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Alexander Kuhn](https://appshunter.io/developer/1818357464) | [V&T TECHNOLOGIES PTY. LTD.](https://appshunter.io/developer/1073524520) |

## What reviewers say

### OChemQuiz

[App page](https://appshunter.io/ios/app/ochemquiz/id6756509074)

**Features:** macOS Compatibility

**In-app purchases:** none


### Explorion | Explore & Learn

[App page](https://appshunter.io/ios/app/explorion-explore-and-learn/id6758781384)

This interactive app offers over 200 STEM activities for children, transforming complex subjects into engaging 3D experiences. It provides a safe, hands-on digital laboratory for exploring physics, math, biology, engineering, and astronomy.

**Highlights:** Interactive 3D STEM labs, Bite-sized learning modules, Hands-on object manipulation, Content for all ages, Safe and focused learning environment, Physics, math, biology, engineering, astronomy modules

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explorion Premium | $9.99 | one-time |


## Frequently asked questions

### Is OChemQuiz free?

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

### Is Explorion | Explore & Learn free?

Explorion | Explore & Learn is free to download, with in-app purchases available.

### Do OChemQuiz or Explorion | Explore & Learn have ads?

Neither OChemQuiz nor Explorion | Explore & Learn 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.*