# AI先生　第三種電気主任技術者 vs 電験三種 理論・電力・機械・法規 合格ドリル

The clearest difference is ads: 電験三種 理論・電力・機械・法規 合格ドリル at none against AI先生　第三種電気主任技術者's shown. 電験三種 理論・電力・機械・法規 合格ドリル also leads on update cadence (every 2 weeks vs every 6 weeks). On price, in-app purchases, device support and iOS requirement 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, 電験三種 理論・電力・機械・法規 合格ドリル every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI先生　第三種電気主任技術者 | 電験三種 理論・電力・機械・法規 合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 8 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) |

## 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 理論・電力・機械・法規 合格ドリル

[App page](https://appshunter.io/ios/app/id6784650854)

**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 電験三種 理論・電力・機械・法規 合格ドリル free?

電験三種 理論・電力・機械・法規 合格ドリル is free to download, with no in-app purchases.

### Do AI先生　第三種電気主任技術者 or 電験三種 理論・電力・機械・法規 合格ドリル have ads?

AI先生　第三種電気主任技術者 shows ads; 電験三種 理論・電力・機械・法規 合格ドリル 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 理論・電力・機械・法規 合格ドリル?

AI先生　第三種電気主任技術者 ships an update every 6 weeks, and 電験三種 理論・電力・機械・法規 合格ドリル every 2 weeks. 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 理論・電力・機械・法規 合格ドリル on October 31, 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.*