# AI先生　第一種電気工事士 vs でんこう！

The clearest difference is ads: でんこう！ at none against AI先生　第一種電気工事士's shown. On price, update cadence, 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　第一種電気工事士 ships an update every 2 weeks, でんこう！ every 11 days. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AI先生　第一種電気工事士 | でんこう！ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Size | 7 MB | 25 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [Takashi Fujita](https://appshunter.io/developer/1852754559) |

## What reviewers say

### AI先生　第一種電気工事士

[App page](https://appshunter.io/ios/app/ai/id6738264678)

**Features:** macOS Compatibility

**In-app purchases:** none


### でんこう！

[App page](https://appshunter.io/ios/app/12/id6755238323)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI先生　第一種電気工事士 free?

AI先生　第一種電気工事士 is free to download, with no in-app purchases.

### Is でんこう！ free?

でんこう！ is free to download, with no in-app purchases.

### Do AI先生　第一種電気工事士 or でんこう！ have ads?

AI先生　第一種電気工事士 shows ads; でんこう！ does not.

### Which is updated more often, AI先生　第一種電気工事士 or でんこう！?

AI先生　第一種電気工事士 ships an update every 2 weeks, and でんこう！ every 11 days. Most recently, AI先生　第一種電気工事士 was updated on September 11, 2026 and でんこう！ on September 18, 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.*