# でんこう！ vs 電工1種トレ｜第一種電気工事士 過去問

The clearest difference is in-app purchases: でんこう！ at none against 電工1種トレ｜第一種電気工事士 過去問's 2. でんこう！ also leads on ads (none vs shown). 電工1種トレ｜第一種電気工事士 過去問's advantage is update cadence (every 3 days vs every 11 days) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. 電工1種トレ｜第一種電気工事士 過去問 sells 2 in-app purchases, starting at $9.99 per month. でんこう！ asks for nothing beyond the download.

でんこう！ ships an update every 11 days, 電工1種トレ｜第一種電気工事士 過去問 every 3 days. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | でんこう！ | 電工1種トレ｜第一種電気工事士 過去問 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 3 days** |
| Size | 25 MB | 57 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Takashi Fujita](https://appshunter.io/developer/1852754559) | [keisuke okuno](https://appshunter.io/developer/6779085862) |

## What reviewers say

### でんこう！

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

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

**In-app purchases:** none


### 電工1種トレ｜第一種電気工事士 過去問

[App page](https://appshunter.io/ios/app/1/id6789540847)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $9.99 | per month |
| 買い切り（PRO） | $9.99 | one-time |


## Frequently asked questions

### Is でんこう！ free?

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

### Is 電工1種トレ｜第一種電気工事士 過去問 free?

電工1種トレ｜第一種電気工事士 過去問 is free to download, with in-app purchases available.

### Do でんこう！ or 電工1種トレ｜第一種電気工事士 過去問 have ads?

電工1種トレ｜第一種電気工事士 過去問 shows ads; でんこう！ does not.

### Which is updated more often, でんこう！ or 電工1種トレ｜第一種電気工事士 過去問?

でんこう！ ships an update every 11 days, and 電工1種トレ｜第一種電気工事士 過去問 every 3 days. Most recently, でんこう！ was updated on September 18, 2026 and 電工1種トレ｜第一種電気工事士 過去問 on September 29, 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.*