# AI先生　第三種電気主任技術者 vs ビジネス英語テスト対策ドリル

The clearest difference is ads: ビジネス英語テスト対策ドリル at none against AI先生　第三種電気主任技術者's shown. ビジネス英語テスト対策ドリル also leads on update cadence (every 4 days vs every 6 weeks) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AI先生　第三種電気主任技術者 ships an update every 6 weeks, ビジネス英語テスト対策ドリル every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | AI先生　第三種電気主任技術者 | ビジネス英語テスト対策ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 8 MB | 52 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### AI先生　第三種電気主任技術者

[App page](https://appshunter.io/ios/app/ai/id6738354877)

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

**In-app purchases:** none


### ビジネス英語テスト対策ドリル

[App page](https://appshunter.io/ios/app/id6761160666)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI先生　第三種電気主任技術者 free?

AI先生　第三種電気主任技術者 is free to download, with no in-app purchases.

### Is ビジネス英語テスト対策ドリル free?

ビジネス英語テスト対策ドリル is free to download, with no in-app purchases.

### Do AI先生　第三種電気主任技術者 or ビジネス英語テスト対策ドリル have ads?

AI先生　第三種電気主任技術者 shows ads; ビジネス英語テスト対策ドリル does not.

### Which is updated more often, AI先生　第三種電気主任技術者 or ビジネス英語テスト対策ドリル?

AI先生　第三種電気主任技術者 ships an update every 6 weeks, and ビジネス英語テスト対策ドリル every 4 days. Most recently, AI先生　第三種電気主任技術者 was updated on October 25, 2026 and ビジネス英語テスト対策ドリル on October 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.*