# Electro Math vs 消防設備士乙種1類 試験対策｜問題集

The clearest difference is price: Electro Math at Free against 消防設備士乙種1類 試験対策｜問題集's $2.99. Electro Math also leads on update cadence (daily vs every 5 days) and iOS requirement (13.0 vs 17.6). 消防設備士乙種1類 試験対策｜問題集's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Electro Math is free to download; 消防設備士乙種1類 試験対策｜問題集 costs $2.99 up front. Electro Math sells 1 in-app purchase, starting at $2.99 per month. 消防設備士乙種1類 試験対策｜問題集 asks for nothing beyond the download.

Electro Math ships an update daily, 消防設備士乙種1類 試験対策｜問題集 every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Electro Math | 消防設備士乙種1類 試験対策｜問題集 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | — | Paid |
| Size | 44 MB | 5 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASUKA MINAMOTO](https://appshunter.io/developer/1855336606) | [RYOHEI HORIUCHI](https://appshunter.io/developer/1869799988) |

## What reviewers say

### Electro Math

[App page](https://appshunter.io/ios/app/electro-math/id6755659770)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| サブスクリプション（定期購読） | $2.99 | per month |


### 消防設備士乙種1類 試験対策｜問題集

[App page](https://appshunter.io/ios/app/1/id6770731051)

This app provides comprehensive study materials for the Class 1 Fire Equipment Officer exam. It covers fire safety laws, mechanical and electrical basics, and the structure and function of water-based fire suppression systems. Designed for efficient learning through practice questions and mock exams.

**Highlights:** Systematic coverage of exam topics, 4-choice practice questions, Weakness review function, Mock exam mode, Study during spare time, Covers fire safety laws, mechanics, and electrical basics

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

**In-app purchases:** none


## Frequently asked questions

### Is Electro Math free?

Electro Math is free to download, with in-app purchases available.

### Is 消防設備士乙種1類 試験対策｜問題集 free?

消防設備士乙種1類 試験対策｜問題集 costs $2.99, with no in-app purchases.

### Do Electro Math or 消防設備士乙種1類 試験対策｜問題集 have ads?

Neither Electro Math nor 消防設備士乙種1類 試験対策｜問題集 shows ads.

### Which is updated more often, Electro Math or 消防設備士乙種1類 試験対策｜問題集?

Electro Math ships an update daily, and 消防設備士乙種1類 試験対策｜問題集 every 5 days. Most recently, Electro Math was updated on November 5, 2026 and 消防設備士乙種1類 試験対策｜問題集 on October 31, 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.*