# Comprehension Builder. vs Keywords Understanding Lite

The clearest difference is rating: Keywords Understanding Lite at 5.0 against Comprehension Builder.'s 2.0. Keywords Understanding Lite also leads on in-app purchases (none vs 3). Comprehension Builder.'s advantage is iOS requirement (12.2 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Comprehension Builder. sells 3 one-off in-app purchases. Keywords Understanding Lite asks for nothing beyond the download.

Keywords Understanding Lite holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Comprehension Builder. ships an update every 47 months, Keywords Understanding Lite every 68 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Comprehension Builder. | Keywords Understanding Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/comprehension-builder/id1238808362/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/keywords-understanding-lite/id1537440607/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 47 months** | Every 68 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 60 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Aptus Speech and Language Therapy Limited](https://appshunter.io/developer/1482673468) |

## What reviewers say

### Comprehension Builder.

[App page](https://appshunter.io/ios/app/comprehension-builder/id1238808362)

This app helps users improve reading comprehension, working memory, and the ability to answer questions about text. It features incremental learning with texts that increase in length and difficulty as skills develop, along with a reward system for motivation. Designed for learners of all ages, including those with special needs or learning English.

**Highlights:** Passage comprehension practice, Working memory development, Answering multiple-choice questions, Incremental learning levels, Reward Center for motivation, 200+ fiction and non-fiction texts, Content designed by teachers

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Two Users | $1.99 | one-time |
| All Levels | $3.99 | one-time |
| 10 Users | $3.99 | one-time |


### Keywords Understanding Lite

[App page](https://appshunter.io/ios/app/keywords-understanding-lite/id1537440607)

This app offers a sample of speech and language therapy exercises focused on sentence comprehension. It helps users practice following directions, understanding basic concepts, and improving auditory and reading comprehension skills through interactive activities.

**Highlights:** Listening comprehension exercises, Reading comprehension exercises, Following directions (one/two-step, temporal, sequential), Basic concepts (size, color), Vocabulary understanding, Sample of full app features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comprehension Builder. free?

Comprehension Builder. is free to download, with in-app purchases available.

### Is Keywords Understanding Lite free?

Keywords Understanding Lite is free to download, with no in-app purchases.

### Which has better reviews, Comprehension Builder. or Keywords Understanding Lite?

Keywords Understanding Lite is rated higher. Comprehension Builder. averages 2.0 out of 5 from 2 ratings, while Keywords Understanding Lite averages 5.0 from 3 ratings.

### Do Comprehension Builder. or Keywords Understanding Lite have ads?

Neither Comprehension Builder. nor Keywords Understanding Lite shows ads.

### Which is updated more often, Comprehension Builder. or Keywords Understanding Lite?

Comprehension Builder. ships an update every 47 months, and Keywords Understanding Lite every 68 months. Most recently, Comprehension Builder. was updated on October 6, 2026 and Keywords Understanding Lite on October 8, 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.*