# 電気工事士 危険物乙4 過去問 問題集 一問一答 vs おぼエル 電気工事士試験

The clearest difference is in-app purchases: おぼエル 電気工事士試験 at none against 電気工事士 危険物乙4 過去問 問題集 一問一答's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 電気工事士 危険物乙4 過去問 問題集 一問一答 sells 3 in-app purchases, starting at $9.99 per month. おぼエル 電気工事士試験 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 電気工事士 危険物乙4 過去問 問題集 一問一答 | おぼエル 電気工事士試験 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 194 MB | 121 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) | [Pinternet Works](https://appshunter.io/developer/1809507645) |

## What reviewers say

### 電気工事士 危険物乙4 過去問 問題集 一問一答

[App page](https://appshunter.io/ios/app/4/id6786999430)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額プラン | $9.99 | per month |
| Pro 3か月プラン | $19.99 | per 3 months |
| Pro 買い切り（永久） | $39.99 | one-time |


### おぼエル 電気工事士試験

[App page](https://appshunter.io/ios/app/id6791634905)

This app offers a quiz-style approach to studying for electrical engineering exams. It focuses on identifying and reinforcing weak areas through timed questions, helping users master key themes like electrical theory, regulations, and tool identification.

**Highlights:** Timed quiz format, Focus on weak areas, Progress tracking dashboard, Review cycle for knowledge retention, Ad-free learning environment, Covers key exam themes

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

**In-app purchases:** none


## Frequently asked questions

### Is 電気工事士 危険物乙4 過去問 問題集 一問一答 free?

電気工事士 危険物乙4 過去問 問題集 一問一答 is free to download, with in-app purchases available.

### Is おぼエル 電気工事士試験 free?

おぼエル 電気工事士試験 is free to download, with no in-app purchases.

### Do 電気工事士 危険物乙4 過去問 問題集 一問一答 or おぼエル 電気工事士試験 have ads?

Neither 電気工事士 危険物乙4 過去問 問題集 一問一答 nor おぼエル 電気工事士試験 shows ads.

### Which is updated more often, 電気工事士 危険物乙4 過去問 問題集 一問一答 or おぼエル 電気工事士試験?

電気工事士 危険物乙4 過去問 問題集 一問一答 ships an update every 3 weeks, and おぼエル 電気工事士試験 every 3 weeks. Most recently, 電気工事士 危険物乙4 過去問 問題集 一問一答 was updated on October 17, 2026 and おぼエル 電気工事士試験 on October 8, 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.*