# 自主保全士 2級 学科問題集 vs QC検定４級 対策

The clearest difference is review sentiment: QC検定４級 対策 at 100% against 自主保全士 2級 学科問題集's 0%. QC検定４級 対策 also leads on update cadence (daily vs every 8 days) and price ($2.99 vs $3.99). 自主保全士 2級 学科問題集's advantage is iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

自主保全士 2級 学科問題集 costs $3.99 and QC検定４級 対策 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

自主保全士 2級 学科問題集 ships an update every 8 days, QC検定４級 対策 daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | 自主保全士 2級 学科問題集 | QC検定４級 対策 |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Paid | **Free** |
| Size | 43 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) |

## What reviewers say

### 自主保全士 2級 学科問題集

[App page](https://appshunter.io/ios/app/2/id6467083000)

This app provides a comprehensive study guide for the Level 2 Jishu Hozen Shi certification exam. It features ad-free, offline access to practice questions with detailed explanations, covering the latest official curriculum. Track your progress and review incorrect answers to prepare effectively for the exam.

**Highlights:** Ad-free practice questions, Detailed explanations, Offline study capability, Covers latest official curriculum, Randomized question sets, Review incorrect answers

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

**In-app purchases:** none


### QC検定４級 対策

[App page](https://appshunter.io/ios/app/qc/id6745305229)

This app provides practice questions and learning tools to help users prepare for the QC検定 4級 (Quality Control Level 4) exam. It covers essential quality control concepts with features like random and targeted question repetition, progress tracking, and bookmarking. Designed for efficient study during commutes or breaks.

**Highlights:** Practice questions for QC検定 4級, Randomized question and answer order, Re-quiz missed questions, Study progress visualization, Customizable question count, Bookmark important questions, Dark mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is 自主保全士 2級 学科問題集 free?

自主保全士 2級 学科問題集 costs $3.99, with no in-app purchases.

### Is QC検定４級 対策 free?

QC検定４級 対策 costs $2.99, with no in-app purchases.

### Do 自主保全士 2級 学科問題集 or QC検定４級 対策 have ads?

Neither 自主保全士 2級 学科問題集 nor QC検定４級 対策 shows ads.

### Which is updated more often, 自主保全士 2級 学科問題集 or QC検定４級 対策?

自主保全士 2級 学科問題集 ships an update every 8 days, and QC検定４級 対策 daily. Most recently, 自主保全士 2級 学科問題集 was updated on October 24, 2026 and QC検定４級 対策 on October 24, 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.*