# Comprehension Builder. vs WholeReader, Immersive Reading

The clearest difference is rating: WholeReader, Immersive Reading at 4.7 against Comprehension Builder.'s 2.0. WholeReader, Immersive Reading also leads on in-app purchases (none vs 3) and update cadence (monthly vs every 47 months). Comprehension Builder.'s advantage is iOS requirement (12.2 vs 14.0). 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. WholeReader, Immersive Reading asks for nothing beyond the download.

WholeReader, Immersive Reading holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Comprehension Builder. ships an update every 47 months, WholeReader, Immersive Reading monthly. The most recent releases landed on October 6, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Comprehension Builder. | WholeReader, Immersive Reading |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/comprehension-builder/id1238808362/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/wholereader-immersive-reading/id1274106744/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 | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 38 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Firm Foundation Academy, Inc](https://appshunter.io/developer/1274106743) |

## 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 |


### WholeReader, Immersive Reading

[App page](https://appshunter.io/ios/app/wholereader-immersive-reading/id1274106744)

Enhance your English language skills by reading and listening to popular books. This app offers a comprehensive learning experience for all levels, from beginners to advanced learners, with features like flashcards and a built-in dictionary.

**Highlights:** Free books with audio narration, Played word underlining for listening practice, Built-in flashcards for vocabulary memorization, Webster English-English dictionary, Offline reading capability, Adjustable audio speed control, User notes and margin notes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Comprehension Builder. free?

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

### Is WholeReader, Immersive Reading free?

WholeReader, Immersive Reading is free to download, with no in-app purchases.

### Which has better reviews, Comprehension Builder. or WholeReader, Immersive Reading?

WholeReader, Immersive Reading is rated higher. Comprehension Builder. averages 2.0 out of 5 from 2 ratings, while WholeReader, Immersive Reading averages 4.7 from 3 ratings.

### Do Comprehension Builder. or WholeReader, Immersive Reading have ads?

Neither Comprehension Builder. nor WholeReader, Immersive Reading shows ads.

### Which is updated more often, Comprehension Builder. or WholeReader, Immersive Reading?

Comprehension Builder. ships an update every 47 months, and WholeReader, Immersive Reading monthly. Most recently, Comprehension Builder. was updated on October 6, 2026 and WholeReader, Immersive Reading on September 25, 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.*