# Comprehension Builder. vs Wordlex

The clearest difference is rating: Wordlex at 5.0 against Comprehension Builder.'s 2.0. Wordlex also leads on in-app purchases (none vs 3) and update cadence (every 5 days vs every 47 months). Comprehension Builder.'s advantage is iOS requirement (12.2 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

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

Wordlex 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, Wordlex every 5 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Comprehension Builder. | Wordlex |
| --- | --- | --- |
| 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/wordlex/id6747911153/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 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 10 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [LIN ZHU](https://appshunter.io/developer/650236738) |

## 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 |


### Wordlex

[App page](https://appshunter.io/ios/app/wordlex/id6747911153)

This AI-powered language learning app offers smart translations with deep learning, memory enhancement features, and personal vocabulary management. It provides detailed linguistic information, example sentences, and cultural context to help users master new languages effectively.

**Highlights:** AI-powered smart translations, Detailed linguistic information, Memory enhancement tools, Personalized vocabulary lists, Progress tracking, Text-to-speech pronunciation, Cultural context explanations

**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 Wordlex free?

Wordlex is free to download, with no in-app purchases.

### Which has better reviews, Comprehension Builder. or Wordlex?

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

### Do Comprehension Builder. or Wordlex have ads?

Neither Comprehension Builder. nor Wordlex shows ads.

### Which is updated more often, Comprehension Builder. or Wordlex?

Comprehension Builder. ships an update every 47 months, and Wordlex every 5 days. Most recently, Comprehension Builder. was updated on October 14, 2026 and Wordlex on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*