# ハイテクエンジニアのための英単語〜ハイテクタン vs AI Engineer Quiz

The clearest difference is in-app purchases: ハイテクエンジニアのための英単語〜ハイテクタン at none against AI Engineer Quiz's 1. AI Engineer Quiz's advantage is iOS requirement (15.1 vs 17.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Engineer Quiz sells 1 one-off in-app purchase. ハイテクエンジニアのための英単語〜ハイテクタン asks for nothing beyond the download.

ハイテクエンジニアのための英単語〜ハイテクタン ships an update weekly, AI Engineer Quiz fortnightly. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ハイテクエンジニアのための英単語〜ハイテクタン | AI Engineer Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 8 MB | 18 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroaki Toya](https://appshunter.io/developer/1515661642) | [Kohei Omori](https://appshunter.io/developer/1886931034) |

## What reviewers say

### ハイテクエンジニアのための英単語〜ハイテクタン

[App page](https://appshunter.io/ios/app/id6478358500)

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

**In-app purchases:** none


### AI Engineer Quiz

[App page](https://appshunter.io/ios/app/ai-engineer-quiz/id6770689652)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $5.99 | one-time |


## Frequently asked questions

### Is ハイテクエンジニアのための英単語〜ハイテクタン free?

ハイテクエンジニアのための英単語〜ハイテクタン is free to download, with no in-app purchases.

### Is AI Engineer Quiz free?

AI Engineer Quiz is free to download, with in-app purchases available.

### Do ハイテクエンジニアのための英単語〜ハイテクタン or AI Engineer Quiz have ads?

Neither ハイテクエンジニアのための英単語〜ハイテクタン nor AI Engineer Quiz shows ads.

### Which is updated more often, ハイテクエンジニアのための英単語〜ハイテクタン or AI Engineer Quiz?

ハイテクエンジニアのための英単語〜ハイテクタン ships an update weekly, and AI Engineer Quiz fortnightly. Most recently, ハイテクエンジニアのための英単語〜ハイテクタン was updated on October 13, 2026 and AI Engineer Quiz on October 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.*