# 危険物乙４類取扱者試験問題集lite　りすさんシリーズ vs KSM予約

The clearest difference is iOS requirement: KSM予約 at 13.0 against 危険物乙４類取扱者試験問題集lite　りすさんシリーズ's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

危険物乙４類取扱者試験問題集lite　りすさんシリーズ ships an update every 6 weeks, KSM予約 every 3 months. The most recent releases landed on September 22, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 危険物乙４類取扱者試験問題集lite　りすさんシリーズ | KSM予約 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 6 MB | 30 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Baba](https://appshunter.io/developer/903350438) | [K S MUSIC, Y.K.](https://appshunter.io/developer/1454205339) |

## What reviewers say

### 危険物乙４類取扱者試験問題集lite　りすさんシリーズ

[App page](https://appshunter.io/ios/app/lite/id903638047)

This app provides practice questions and study materials for the hazardous materials handler exam. It offers科目-specific study, a question bank with detailed explanations, and progress tracking features. The app includes a glossary and textbook function for comprehensive learning.

**Highlights:** 科目別学習, 一問一答形式, 自動記憶・優先出題, 進捗状況バー, 本試験形式モード, 用語集, 教科書機能

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

**In-app purchases:** none


### KSM予約

[App page](https://appshunter.io/ios/app/ksm/id1517172323)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 危険物乙４類取扱者試験問題集lite　りすさんシリーズ free?

危険物乙４類取扱者試験問題集lite　りすさんシリーズ is free to download, with no in-app purchases.

### Is KSM予約 free?

KSM予約 is free to download, with no in-app purchases.

### Do 危険物乙４類取扱者試験問題集lite　りすさんシリーズ or KSM予約 have ads?

Neither 危険物乙４類取扱者試験問題集lite　りすさんシリーズ nor KSM予約 shows ads.

### Which is updated more often, 危険物乙４類取扱者試験問題集lite　りすさんシリーズ or KSM予約?

危険物乙４類取扱者試験問題集lite　りすさんシリーズ ships an update every 6 weeks, and KSM予約 every 3 months. Most recently, 危険物乙４類取扱者試験問題集lite　りすさんシリーズ was updated on September 22, 2026 and KSM予約 on October 3, 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.*