# Physical Changes in Matter vs Learn Biology Pro

The clearest difference is price: Physical Changes in Matter at Free against Learn Biology Pro's $2.99. Physical Changes in Matter also leads on iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Physical Changes in Matter is free to download; Learn Biology Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Physical Changes in Matter | Learn Biology Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 11 months |
| Size | 30 MB | 78 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Muhammad Umair](https://appshunter.io/developer/1696049320) |

## What reviewers say

### Physical Changes in Matter

[App page](https://appshunter.io/ios/app/physical-changes-in-matter/id6514314103)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Biology Pro

[App page](https://appshunter.io/ios/app/learn-biology-pro/id6743930245)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physical Changes in Matter free?

Physical Changes in Matter is free to download, with no in-app purchases.

### Is Learn Biology Pro free?

Learn Biology Pro costs $2.99, with no in-app purchases.

### Do Physical Changes in Matter or Learn Biology Pro have ads?

Neither Physical Changes in Matter nor Learn Biology Pro 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.*