# 短歌AI採点 vs Critical Thinking Trainer

The clearest difference is update cadence: Critical Thinking Trainer at every 5 days against 短歌AI採点's every 2 months. Critical Thinking Trainer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 短歌AI採点 sells 10 one-off in-app purchases and Critical Thinking Trainer sells 2 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

短歌AI採点 ships an update every 2 months, Critical Thinking Trainer every 5 days. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 短歌AI採点 | Critical Thinking Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 99 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumu Izumi](https://appshunter.io/developer/1822273057) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## What reviewers say

### 短歌AI採点

[App page](https://appshunter.io/ios/app/ai/id6758488115)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 保存枠拡張5個 | $0.49 | one-time |
| 普通チケット5枚 | $0.99 | one-time |
| 保存枠無制限 | $0.99 | one-time |
| プレミアムチケット5枚 | $1.99 | one-time |
| 初心者応援パック | $1.99 | one-time |
| 普通チケット10枚 | $1.99 | one-time |
| プレミアムチケット10枚 | $3.99 | one-time |
| 普通チケット20枚 | $3.99 | one-time |
| 6000コイン | $5.99 | one-time |
| プレミアムチケット20枚 | $6.99 | one-time |


### 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 | $10.00 | per month |
| Annual Plan | $70.00 | per year |


## Frequently asked questions

### Is 短歌AI採点 free?

短歌AI採点 is free to download, with in-app purchases available.

### Is Critical Thinking Trainer free?

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

### Do 短歌AI採点 or Critical Thinking Trainer have ads?

Both 短歌AI採点 and Critical Thinking Trainer show ads.

### Which is updated more often, 短歌AI採点 or Critical Thinking Trainer?

短歌AI採点 ships an update every 2 months, and Critical Thinking Trainer every 5 days. Most recently, 短歌AI採点 was updated on October 10, 2026 and Critical Thinking Trainer on October 18, 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.*