# 読解力チェッカー vs Critical Thinking Trainer

The clearest difference is in-app purchases: 読解力チェッカー at none against Critical Thinking Trainer's 3. Critical Thinking Trainer's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Critical Thinking Trainer sells 3 in-app purchases, starting at $12.00 per month. 読解力チェッカー asks for nothing beyond the download.

読解力チェッカー ships an update every 9 days, Critical Thinking Trainer every 5 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | 読解力チェッカー | Critical Thinking Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 106 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuuki Nishimura](https://appshunter.io/developer/6776836664) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## What reviewers say

### 読解力チェッカー

[App page](https://appshunter.io/ios/app/id6794327761)

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

**In-app purchases:** none


### Critical Thinking Trainer

[App page](https://appshunter.io/ios/app/critical-thinking-trainer/id6800005834)

Enhance your abstract reasoning skills with daily exercises and personalized training. Practice applying experiences to new situations, extracting key information, and articulating complex ideas concisely. Includes AI sparring and community insights for deeper learning.

**Highlights:** Daily abstract reasoning questions, Personalized training based on diagnosis, Abstraction Game for cross-contextual thinking, AI sparring for feedback on written answers, View and compare answers with other users, Track thinking progress over time

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $12.00 | per month |
| Annual Plan (Special) | $44.00 | per year |
| Annual Plan | $88.00 | per year |


## Frequently asked questions

### Is 読解力チェッカー free?

読解力チェッカー is free to download, with no in-app purchases.

### Is Critical Thinking Trainer free?

Critical Thinking Trainer is free to download, with in-app purchases available.

### Do 読解力チェッカー or Critical Thinking Trainer have ads?

Both 読解力チェッカー and Critical Thinking Trainer show ads.

### Which is updated more often, 読解力チェッカー or Critical Thinking Trainer?

読解力チェッカー ships an update every 9 days, and Critical Thinking Trainer every 5 days. Most recently, 読解力チェッカー was updated on November 10, 2026 and Critical Thinking Trainer on November 10, 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.*