# Math Surface vs Chemistry Principles Quiz

The clearest difference is ads: Chemistry Principles Quiz at none against Math Surface's shown. Chemistry Principles Quiz also leads on iOS requirement (15.1 vs 26.2). On price, 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 | Math Surface | Chemistry Principles Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 10 MB | 38 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Math Surface

[App page](https://appshunter.io/ios/app/math-surface/id6774883910)

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

**In-app purchases:** none


### Chemistry Principles Quiz

[App page](https://appshunter.io/ios/app/chemistry-principles-quiz/id6776781824)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Surface free?

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

### Is Chemistry Principles Quiz free?

Chemistry Principles Quiz is free to download, with no in-app purchases.

### Do Math Surface or Chemistry Principles Quiz have ads?

Math Surface shows ads; Chemistry Principles Quiz 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.*