# 機械保全技能検定 3級 過去問集 vs 自主保全士 2級 | 2026年対策問題

The clearest difference is device support: 自主保全士 2級 | 2026年対策問題 at 2 against 機械保全技能検定 3級 過去問集's —. 機械保全技能検定 3級 過去問集's advantage is iOS requirement (12.0 vs 17.0). On in-app purchases there is nothing between them.

## The numbers

| Metric | 機械保全技能検定 3級 過去問集 | 自主保全士 2級 | 2026年対策問題 |
| --- | --- | --- |
| Price | — | **$2.99** |
| Rating | **[4.1 (35 ratings)](https://appshunter.io/ios/app/3/id6476808807/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 59 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### 機械保全技能検定 3級 過去問集

[App page](https://appshunter.io/ios/app/3/id6476808807)

Prepare for the Level 3 Mechanical Maintenance Skills Test with this offline study app. It features past exam questions from the last five years, allowing focused learning on weak areas. Review incorrect or unattempted questions efficiently.

**Highlights:** Offline use, Past 5 years of questions, Focused review of incorrect/unattempted questions, Progress tracking, Randomized question sets, History of completed questions

**In-app purchases:** none


### 自主保全士 2級 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2-2026/id6777914623)

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

**In-app purchases:** none


## Frequently asked questions

### Is 機械保全技能検定 3級 過去問集 free?

Pricing for 機械保全技能検定 3級 過去問集 is not currently listed on the App Store.

### Is 自主保全士 2級 | 2026年対策問題 free?

自主保全士 2級 | 2026年対策問題 costs $2.99, with no in-app purchases.

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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.*