# 廿楽モータース公式アプリ vs 第二種電気工事士  資格試験対策｜D

The clearest difference is in-app purchases: 廿楽モータース公式アプリ at none against 第二種電気工事士  資格試験対策｜D's 1. 廿楽モータース公式アプリ also leads on ads (none vs shown). 第二種電気工事士  資格試験対策｜D's advantage is iOS requirement (9.0 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 第二種電気工事士  資格試験対策｜D sells 1 one-off in-app purchase. 廿楽モータース公式アプリ asks for nothing beyond the download.

廿楽モータース公式アプリ ships an update every 11 months, 第二種電気工事士  資格試験対策｜D every 6 months. The most recent releases landed on September 28, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 廿楽モータース公式アプリ | 第二種電気工事士  資格試験対策｜D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 82.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 6 months** |
| Monetization | — | Free with in-app purchases |
| Size | 84 MB | 26 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TSUZURA MOTORS, Y.K.](https://appshunter.io/developer/1490223350) | [Eriya Okuno](https://appshunter.io/developer/1499747901) |

## What reviewers say

### 廿楽モータース公式アプリ

[App page](https://appshunter.io/ios/app/id1490223351)

**In-app purchases:** none


### 第二種電気工事士  資格試験対策｜D

[App page](https://appshunter.io/ios/app/d-learning/id1536908296)

Prepare for the Second Class Electrician qualification exam with practice tests and detailed explanations. Review missed or flagged questions, and practice by difficulty level or subject. Additional question sets are available for purchase.

**Highlights:** Practice tests by difficulty and subject, Review missed and flagged questions, Timed practice sessions, Detailed explanations, Adjustable text size, Progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料問題 | $3.99 | one-time |


## Frequently asked questions

### Is 廿楽モータース公式アプリ free?

廿楽モータース公式アプリ is free to download, with no in-app purchases.

### Is 第二種電気工事士  資格試験対策｜D free?

第二種電気工事士  資格試験対策｜D is free to download, with in-app purchases available.

### Do 廿楽モータース公式アプリ or 第二種電気工事士  資格試験対策｜D have ads?

第二種電気工事士  資格試験対策｜D shows ads; 廿楽モータース公式アプリ does not.

### Which is updated more often, 廿楽モータース公式アプリ or 第二種電気工事士  資格試験対策｜D?

廿楽モータース公式アプリ ships an update every 11 months, and 第二種電気工事士  資格試験対策｜D every 6 months. Most recently, 廿楽モータース公式アプリ was updated on September 28, 2026 and 第二種電気工事士  資格試験対策｜D on October 16, 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.*