# AI先生　第二種電気主任技術者試験 vs 電験EX 一種二次

The clearest difference is in-app purchases: AI先生　第二種電気主任技術者試験 at none against 電験EX 一種二次's 1. 電験EX 一種二次's advantage is ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 電験EX 一種二次 sells 1 one-off in-app purchase. AI先生　第二種電気主任技術者試験 asks for nothing beyond the download.

AI先生　第二種電気主任技術者試験 ships an update every 2 months, 電験EX 一種二次 every 8 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AI先生　第二種電気主任技術者試験 | 電験EX 一種二次 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 8 MB | 13 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [TAKASHI ISHIKAWA](https://appshunter.io/developer/6809795227) |

## What reviewers say

### AI先生　第二種電気主任技術者試験

[App page](https://appshunter.io/ios/app/ai/id6738368212)

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

**In-app purchases:** none


### 電験EX 一種二次

[App page](https://appshunter.io/ios/app/ex/id6809795225)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全年度アンロック | $9.99 | one-time |


## Frequently asked questions

### Is AI先生　第二種電気主任技術者試験 free?

AI先生　第二種電気主任技術者試験 is free to download, with no in-app purchases.

### Is 電験EX 一種二次 free?

電験EX 一種二次 is free to download, with in-app purchases available.

### Do AI先生　第二種電気主任技術者試験 or 電験EX 一種二次 have ads?

AI先生　第二種電気主任技術者試験 shows ads; 電験EX 一種二次 does not.

### Which is updated more often, AI先生　第二種電気主任技術者試験 or 電験EX 一種二次?

AI先生　第二種電気主任技術者試験 ships an update every 2 months, and 電験EX 一種二次 every 8 days. Most recently, AI先生　第二種電気主任技術者試験 was updated on October 1, 2026 and 電験EX 一種二次 on September 30, 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.*