# 語彙力プラス vs Critical Thinking Trainer

The clearest difference is in-app purchases: 語彙力プラス at none against Critical Thinking Trainer's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Critical Thinking Trainer sells 2 in-app purchases, starting at $12.00 per month. 語彙力プラス asks for nothing beyond the download.

語彙力プラス ships an update every 4 days, Critical Thinking Trainer every 5 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 語彙力プラス | Critical Thinking Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 100 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [keishi yokoi](https://appshunter.io/developer/1861661371) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## What reviewers say

### 語彙力プラス

[App page](https://appshunter.io/ios/app/ai/id6756595378)

**Features:** macOS Compatibility

**In-app purchases:** none


### Critical Thinking Trainer

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

This app offers daily exercises and training to enhance abstract reasoning skills. Practice applying experiences to new situations, identifying key information, and articulating concepts concisely. It includes personalized feedback based on initial assessments and allows for comparison with other users' responses.

**Highlights:** Daily abstract reasoning exercises, Personalized training based on assessment, Practice applying concepts to new situations, Identify key information in complex scenarios, Articulate points concisely, Compare answers with other users, Track thinking progress over time

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $12.00 | per month |
| Annual Plan | $88.00 | per year |


## Frequently asked questions

### Is 語彙力プラス free?

語彙力プラス 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 語彙力プラス or Critical Thinking Trainer have ads?

Both 語彙力プラス and Critical Thinking Trainer show ads.

### Which is updated more often, 語彙力プラス or Critical Thinking Trainer?

語彙力プラス ships an update every 4 days, and Critical Thinking Trainer every 5 days. Most recently, 語彙力プラス was updated on October 25, 2026 and Critical Thinking Trainer on October 29, 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.*