# AI先生　第一種電気主任技術者試験 vs 電験二種一次 試験対策 全4科目

The clearest difference is ads: 電験二種一次 試験対策 全4科目 at none against AI先生　第一種電気主任技術者試験's shown. 電験二種一次 試験対策 全4科目 also leads on update cadence (every 9 days vs every 8 months) 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. AI先生　第一種電気主任技術者試験 sells 2 in-app purchases, starting at $5.99 per month and 電験二種一次 試験対策 全4科目 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AI先生　第一種電気主任技術者試験 ships an update every 8 months, 電験二種一次 試験対策 全4科目 every 9 days. The most recent releases landed on September 14, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | AI先生　第一種電気主任技術者試験 | 電験二種一次 試験対策 全4科目 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 9 days** |
| Size | 8 MB | 48 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　第一種電気主任技術者試験

[App page](https://appshunter.io/ios/app/ai/id6738368835)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PROプラン | $5.99 | per month |
| PREMIUMプラン | $29.99 | per month |


### 電験二種一次 試験対策 全4科目

[App page](https://appshunter.io/ios/app/4/id6768010626)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 電力 基本問題 | $2.99 | one-time |
| 機械 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 |
| 完全合格パック | $19.99 | one-time |


## Frequently asked questions

### Is AI先生　第一種電気主任技術者試験 free?

AI先生　第一種電気主任技術者試験 is free to download, with in-app purchases available.

### Is 電験二種一次 試験対策 全4科目 free?

電験二種一次 試験対策 全4科目 is free to download, with in-app purchases available.

### Do AI先生　第一種電気主任技術者試験 or 電験二種一次 試験対策 全4科目 have ads?

AI先生　第一種電気主任技術者試験 shows ads; 電験二種一次 試験対策 全4科目 does not.

### Which is updated more often, AI先生　第一種電気主任技術者試験 or 電験二種一次 試験対策 全4科目?

AI先生　第一種電気主任技術者試験 ships an update every 8 months, and 電験二種一次 試験対策 全4科目 every 9 days. Most recently, AI先生　第一種電気主任技術者試験 was updated on September 14, 2026 and 電験二種一次 試験対策 全4科目 on August 22, 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.*