# Element OTG vs OChemQuiz

The clearest difference is ads: OChemQuiz at none against Element OTG's shown. Element OTG's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price and in-app purchases 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 | Element OTG | OChemQuiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 25 MB | 15 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Japality Limited](https://appshunter.io/developer/1574046707) | [Nicholas Alexander Kuhn](https://appshunter.io/developer/1818357464) |

## What reviewers say

### Element OTG

[App page](https://appshunter.io/ios/app/element-otg/id6749494404)

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

**In-app purchases:** none


### OChemQuiz

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Element OTG free?

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

### Is OChemQuiz free?

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

### Do Element OTG or OChemQuiz have ads?

Element OTG shows ads; OChemQuiz does not.

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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.*