# Categories Learning Center vs Physical Changes in Matter

The clearest difference is price: Physical Changes in Matter at Free against Categories Learning Center's $11.99. Physical Changes in Matter also leads on device support (3 vs 1) and iOS requirement (12.0 vs 15.6). On ads and in-app purchases there is nothing between them.

Physical Changes in Matter is free to download; Categories Learning Center costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Categories Learning Center | Physical Changes in Matter |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/categories-learning-center/id496646536/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Paid | — |
| Size | 69 MB | 30 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Categories Learning Center

[App page](https://appshunter.io/ios/app/categories-learning-center/id496646536)

Enhance vocabulary, comprehension, and critical thinking with interactive categorization exercises. Developed by speech-language pathologists, this app offers structured practice for learners of all ages to identify, group, and label objects, supporting language development and memory.

**Highlights:** Interactive categorization practice, Build vocabulary and comprehension, Develop critical thinking skills, Multi-level difficulty, Multi-player mode (up to 4 users), Progress tracking and reporting, Evidence-based activities

**Features:** macOS Compatibility

**In-app purchases:** none


### Physical Changes in Matter

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Categories Learning Center free?

Categories Learning Center costs $11.99, with no in-app purchases.

### Is Physical Changes in Matter free?

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

### Do Categories Learning Center or Physical Changes in Matter have ads?

Neither Categories Learning Center nor Physical Changes in Matter 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.*