# 2021年1級機械保全技能士学科過去問 vs QC検定２級 用語集

The clearest difference is review sentiment: 2021年1級機械保全技能士学科過去問 at 33% against QC検定２級 用語集's 0%. 2021年1級機械保全技能士学科過去問 also leads on update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

2021年1級機械保全技能士学科過去問 costs $1.99 and QC検定２級 用語集 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

2021年1級機械保全技能士学科過去問 ships an update every 2 months, QC検定２級 用語集 every 6 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 2021年1級機械保全技能士学科過去問 | QC検定２級 用語集 |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [shinji ikeda](https://appshunter.io/developer/1615407188) | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) |

## What reviewers say

### 2021年1級機械保全技能士学科過去問

[App page](https://appshunter.io/ios/app/20211/id1644890831)

This app provides practice questions for the 2021 Level 1 Mechanical Maintenance Engineer exam. It offers various study modes, including all questions, checked questions, and incorrect questions, with explanations to deepen understanding. Users can also set their exam date to track remaining days.

**Highlights:** Practice exam questions, Study modes (all, checked, incorrect), Detailed answer explanations, Exam date countdown, Offline study capability

**In-app purchases:** none


### QC検定２級 用語集

[App page](https://appshunter.io/ios/app/qc/id6743335472)

This app serves as a vocabulary builder for the QC Kentei Level 2 exam. It requires no user registration and plans to add new terms regularly. Ideal for new employees and students seeking to understand fundamental quality control concepts.

**Highlights:** Vocabulary builder, QC Kentei Level 2 focus, No user registration, Terms updated regularly, Fundamental quality control concepts

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

**In-app purchases:** none


## Frequently asked questions

### Is 2021年1級機械保全技能士学科過去問 free?

2021年1級機械保全技能士学科過去問 costs $1.99, with no in-app purchases.

### Is QC検定２級 用語集 free?

QC検定２級 用語集 costs $1.99, with no in-app purchases.

### Do 2021年1級機械保全技能士学科過去問 or QC検定２級 用語集 have ads?

Neither 2021年1級機械保全技能士学科過去問 nor QC検定２級 用語集 shows ads.

### Which is updated more often, 2021年1級機械保全技能士学科過去問 or QC検定２級 用語集?

2021年1級機械保全技能士学科過去問 ships an update every 2 months, and QC検定２級 用語集 every 6 months. Most recently, 2021年1級機械保全技能士学科過去問 was updated on October 4, 2026 and QC検定２級 用語集 on October 12, 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.*