# Physics books vs Comparing and Classifying

The clearest difference is ads: Comparing and Classifying at none against Physics books's shown. Comparing and Classifying also leads on iOS requirement (12.0 vs 16.0). 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 | Physics books | Comparing and Classifying |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 98 MB | 18 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Ashenafi Siyume Girema](https://appshunter.io/developer/1708865011) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Physics books

[App page](https://appshunter.io/ios/app/physics-books-grade-9-12/id6470516004)

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

**In-app purchases:** none


### Comparing and Classifying

[App page](https://appshunter.io/ios/app/comparing-and-classifying/id6736864530)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics books free?

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

### Is Comparing and Classifying free?

Comparing and Classifying is free to download, with no in-app purchases.

### Do Physics books or Comparing and Classifying have ads?

Physics books shows ads; Comparing and Classifying 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.*