# 危険物乙5類取扱者試験問題集　りすさんシリーズ vs 2021年2級機械保全技能士学科過去問

The clearest difference is update cadence: 2021年2級機械保全技能士学科過去問 at monthly against 危険物乙5類取扱者試験問題集　りすさんシリーズ's every 3 months. 2021年2級機械保全技能士学科過去問 also leads on price ($1.99 vs $2.99) and iOS requirement (15.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

危険物乙5類取扱者試験問題集　りすさんシリーズ costs $2.99 and 2021年2級機械保全技能士学科過去問 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

危険物乙5類取扱者試験問題集　りすさんシリーズ ships an update every 3 months, 2021年2級機械保全技能士学科過去問 monthly. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 危険物乙5類取扱者試験問題集　りすさんシリーズ | 2021年2級機械保全技能士学科過去問 |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | — |
| Size | 6 MB | 7 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Baba](https://appshunter.io/developer/903350438) | [shinji ikeda](https://appshunter.io/developer/1615407188) |

## What reviewers say

### 危険物乙5類取扱者試験問題集　りすさんシリーズ

[App page](https://appshunter.io/ios/app/5/id906600645)

Prepare for the Class 5 Hazardous Materials exam with realistic practice questions. This app offers subject-specific study, a question bank of over 1100 problems, and progress tracking to help you learn efficiently.

**Highlights:** Realistic exam format, Subject-specific study, Over 1100 practice questions, Track incorrect answers, Save progress, Progress bar visualization, Randomized full-exam mode

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

**In-app purchases:** none


### 2021年2級機械保全技能士学科過去問

[App page](https://appshunter.io/ios/app/20212/id6443544539)

**In-app purchases:** none


## Frequently asked questions

### Is 危険物乙5類取扱者試験問題集　りすさんシリーズ free?

危険物乙5類取扱者試験問題集　りすさんシリーズ costs $2.99, with no in-app purchases.

### Is 2021年2級機械保全技能士学科過去問 free?

2021年2級機械保全技能士学科過去問 costs $1.99, with no in-app purchases.

### Do 危険物乙5類取扱者試験問題集　りすさんシリーズ or 2021年2級機械保全技能士学科過去問 have ads?

Neither 危険物乙5類取扱者試験問題集　りすさんシリーズ nor 2021年2級機械保全技能士学科過去問 shows ads.

### Which is updated more often, 危険物乙5類取扱者試験問題集　りすさんシリーズ or 2021年2級機械保全技能士学科過去問?

危険物乙5類取扱者試験問題集　りすさんシリーズ ships an update every 3 months, and 2021年2級機械保全技能士学科過去問 monthly. Most recently, 危険物乙5類取扱者試験問題集　りすさんシリーズ was updated on October 2, 2026 and 2021年2級機械保全技能士学科過去問 on October 4, 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.*