# AI先生　第三種電気主任技術者 vs 電験三種 第三種電気主任技術者対策

The clearest difference is in-app purchases: AI先生　第三種電気主任技術者 at none against 電験三種 第三種電気主任技術者対策's 10. 電験三種 第三種電気主任技術者対策's advantage is ads (none vs shown) and update cadence (fortnightly vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. 電験三種 第三種電気主任技術者対策 sells 10 one-off in-app purchases. AI先生　第三種電気主任技術者 asks for nothing beyond the download.

AI先生　第三種電気主任技術者 ships an update every 6 weeks, 電験三種 第三種電気主任技術者対策 fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | AI先生　第三種電気主任技術者 | 電験三種 第三種電気主任技術者対策 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 8 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [TAKANORI TAKEUCHI](https://appshunter.io/developer/1871324782) |

## 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


### 電験三種 第三種電気主任技術者対策

[App page](https://appshunter.io/ios/app/id6766426803)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 理論 基本問題 | $2.99 | one-time |
| 機械 基本問題 | $2.99 | one-time |
| 電力 基本問題 | $2.99 | one-time |
| 法規 基本問題 | $2.99 | one-time |
| 理論 論点まとめ | $2.99 | one-time |
| 電力 論点まとめ | $2.99 | one-time |
| 機械 論点まとめ | $2.99 | one-time |
| 法規 論点まとめ | $2.99 | one-time |
| 基本問題演習完全パック | $9.99 | one-time |
| 論点まとめ完全パック | $9.99 | one-time |


## 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 電験三種 第三種電気主任技術者対策 free?

電験三種 第三種電気主任技術者対策 is free to download, with in-app purchases available.

### Do AI先生　第三種電気主任技術者 or 電験三種 第三種電気主任技術者対策 have ads?

AI先生　第三種電気主任技術者 shows ads; 電験三種 第三種電気主任技術者対策 does not.

### Which is updated more often, AI先生　第三種電気主任技術者 or 電験三種 第三種電気主任技術者対策?

AI先生　第三種電気主任技術者 ships an update every 6 weeks, and 電験三種 第三種電気主任技術者対策 fortnightly. Most recently, AI先生　第三種電気主任技術者 was updated on October 25, 2026 and 電験三種 第三種電気主任技術者対策 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.*