# 2019年1級機械保全技能士学科過去問 vs 自主保全士 単語帳 1級/2級

The clearest difference is update cadence: 自主保全士 単語帳 1級/2級 at every 3 days against 2019年1級機械保全技能士学科過去問's monthly. 自主保全士 単語帳 1級/2級 also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

2019年1級機械保全技能士学科過去問 costs $1.99 and 自主保全士 単語帳 1級/2級 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

2019年1級機械保全技能士学科過去問 ships an update monthly, 自主保全士 単語帳 1級/2級 every 3 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 2019年1級機械保全技能士学科過去問 | 自主保全士 単語帳 1級/2級 |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 7 MB | 26 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shinji ikeda](https://appshunter.io/developer/1615407188) | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) |

## What reviewers say

### 2019年1級機械保全技能士学科過去問

[App page](https://appshunter.io/ios/app/20191/id1644489410)

This app provides practice questions for the 2019 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, Explanations for answers, Study modes: all, checked, incorrect, Exam date countdown, Efficient learning in spare time

**In-app purchases:** none


### 自主保全士 単語帳 1級/2級

[App page](https://appshunter.io/ios/app/12/id6468481523)

This app serves as a vocabulary builder for the Jishu Hozen Shi certification exam (levels 1 and 2). It offers an ad-free, offline study experience with key terms and a quiz mode to test comprehension. It is updated to the latest official text.

**Highlights:** Ad-free experience, Offline study capability, Key vocabulary for certification, Quiz mode for comprehension check, Updated to latest official text

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

**In-app purchases:** none


## Frequently asked questions

### Is 2019年1級機械保全技能士学科過去問 free?

2019年1級機械保全技能士学科過去問 costs $1.99, with no in-app purchases.

### Is 自主保全士 単語帳 1級/2級 free?

自主保全士 単語帳 1級/2級 costs $1.99, with no in-app purchases.

### Do 2019年1級機械保全技能士学科過去問 or 自主保全士 単語帳 1級/2級 have ads?

Neither 2019年1級機械保全技能士学科過去問 nor 自主保全士 単語帳 1級/2級 shows ads.

### Which is updated more often, 2019年1級機械保全技能士学科過去問 or 自主保全士 単語帳 1級/2級?

2019年1級機械保全技能士学科過去問 ships an update monthly, and 自主保全士 単語帳 1級/2級 every 3 days. Most recently, 2019年1級機械保全技能士学科過去問 was updated on October 4, 2026 and 自主保全士 単語帳 1級/2級 on October 8, 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.*