# Category Therapy Lite vs Keyword Understanding

The clearest difference is review sentiment: Category Therapy Lite at 90% against Keyword Understanding's 25%. Category Therapy Lite also leads on price (Free vs $17.99) and ratings volume (306 vs 3). Keyword Understanding's advantage is rating (5.0 vs 4.8). On update cadence, ads, in-app purchases and device support there is nothing between them.

Category Therapy Lite is free to download; Keyword Understanding costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Keyword Understanding holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Category Therapy Lite has 306 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 90% of Category Therapy Lite's written reviews are positive against 25% of Keyword Understanding's, so the app with the better star average is not the one people write more warmly about.

Category Therapy Lite ships an update every 9 months, Keyword Understanding every 10 months. The most recent releases landed on September 6, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Category Therapy Lite | Keyword Understanding |
| --- | --- | --- |
| Price | **Free** | $17.99 |
| Rating | [4.8 (306 ratings)](https://appshunter.io/ios/app/category-therapy-lite/id571553130/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/keyword-understanding/id816979055/reviews)** |
| Number of ratings | **306** | 3 |
| Positive reviews | **90.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | **Free** | Paid |
| Size | 17 MB | 64 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tactus Therapy Solutions Ltd.](https://appshunter.io/developer/438070002) | [Aptus Speech and Language Therapy Limited](https://appshunter.io/developer/1482673468) |

## What reviewers say

### Category Therapy Lite

[App page](https://appshunter.io/ios/app/category-therapy-lite/id571553130)

This app helps individuals improve their mental organization and category-based thinking skills. It offers evidence-based exercises designed by experts to aid in word-finding and sorting, beneficial for those with stroke, brain injury, or autism.

**Highlights:** Evidence-based exercises, Improve word-finding, Improve sorting skills, 4 engaging activities, Unlimited practice, Clear photos and simple interface, Customizable settings

**In-app purchases:** none


### Keyword Understanding

[App page](https://appshunter.io/ios/app/keyword-understanding/id816979055)

This app helps users of all ages improve their ability to understand spoken and written directions. It features various activities targeting vocabulary, basic concepts, and sequential instructions, making it beneficial for individuals with listening comprehension or processing difficulties.

**Highlights:** Follow spoken and written directions, Improve vocabulary and basic concepts, Target auditory attention and working memory, Activities for one and two-step directions, Temporal and sequential direction practice, Comprehension check for vocabulary and concepts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Category Therapy Lite free?

Category Therapy Lite is free to download, with no in-app purchases.

### Is Keyword Understanding free?

Keyword Understanding costs $17.99, with no in-app purchases.

### Which has better reviews, Category Therapy Lite or Keyword Understanding?

Keyword Understanding is rated higher. Category Therapy Lite averages 4.8 out of 5 from 306 ratings, while Keyword Understanding averages 5.0 from 3 ratings.

### Do Category Therapy Lite or Keyword Understanding have ads?

Neither Category Therapy Lite nor Keyword Understanding shows ads.

### Which is updated more often, Category Therapy Lite or Keyword Understanding?

Category Therapy Lite ships an update every 9 months, and Keyword Understanding every 10 months. Most recently, Category Therapy Lite was updated on September 6, 2026 and Keyword Understanding on September 3, 2026.

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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.*