# 第三種電気主任技術者  資格試験対策｜D vs Fire Equip A4 Exam Prep JP

The clearest difference is in-app purchases: Fire Equip A4 Exam Prep JP at none against 第三種電気主任技術者  資格試験対策｜D's 1. 第三種電気主任技術者  資格試験対策｜D's advantage is review sentiment (75% vs 50%) and iOS requirement (9.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. 第三種電気主任技術者  資格試験対策｜D sells 1 one-off in-app purchase. Fire Equip A4 Exam Prep JP asks for nothing beyond the download.

## The numbers

| Metric | 第三種電気主任技術者  資格試験対策｜D | Fire Equip A4 Exam Prep JP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | — | Every 8 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 24 MB | 18 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eriya Okuno](https://appshunter.io/developer/1499747901) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### 第三種電気主任技術者  資格試験対策｜D

[App page](https://appshunter.io/ios/app/d-learning/id1536908837)

Prepare for the Third Class Electrical Engineer qualification exam with this app. It offers practice tests, review of missed or checked questions, and detailed explanations to help you study efficiently during your free time. Master difficult problems and improve your pass rate.

**Highlights:** Practice tests by difficulty level, Field-specific practice, Review missed questions, Review checked questions, Timed practice sessions, Detailed explanations

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

**In-app purchases (1)**

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


### Fire Equip A4 Exam Prep JP

[App page](https://appshunter.io/ios/app/fire-equip-a4-exam-prep-jp/id6761760019)

Prepare for the Japan Fire Equipment Engineer Class A Type 4 exam with this study app. It offers practice questions and detailed explanations across all six subjects, with various study modes and progress tracking. Study efficiently offline anytime, anywhere.

**Highlights:** Practice questions and explanations, Covers all 6 exam subjects, Random practice and subject study modes, Resume interrupted sessions, Review incorrect answers, Offline study capability, Progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is 第三種電気主任技術者  資格試験対策｜D free?

第三種電気主任技術者  資格試験対策｜D is free to download, with in-app purchases available.

### Is Fire Equip A4 Exam Prep JP free?

Fire Equip A4 Exam Prep JP is free to download, with no in-app purchases.

### Do 第三種電気主任技術者  資格試験対策｜D or Fire Equip A4 Exam Prep JP have ads?

Both 第三種電気主任技術者  資格試験対策｜D and Fire Equip A4 Exam Prep JP show ads.

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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.*