# Physical Changes in Matter vs NCE Practice Test

The clearest difference is in-app purchases: Physical Changes in Matter at none against NCE Practice Test's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NCE Practice Test sells 1 one-off in-app purchase. Physical Changes in Matter asks for nothing beyond the download.

## The numbers

| Metric | Physical Changes in Matter | NCE Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 30 MB | 47 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) |

## 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


### NCE Practice Test

[App page](https://appshunter.io/ios/app/nce-practice-test/id6741507639)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is Physical Changes in Matter free?

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

### Is NCE Practice Test free?

NCE Practice Test is free to download, with in-app purchases available.

### Do Physical Changes in Matter or NCE Practice Test have ads?

Neither Physical Changes in Matter nor NCE Practice Test 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.*