# Rails技術者認定試験 vs 機械保全技能検定 特級 過去問集

The clearest difference is price: Rails技術者認定試験 at $1.99 against 機械保全技能検定 特級 過去問集's $3.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Rails技術者認定試験 costs $1.99 and 機械保全技能検定 特級 過去問集 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rails技術者認定試験 | 機械保全技能検定 特級 過去問集 |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Monetization | — | Paid |
| Size | 20 MB | 56 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) |

## What reviewers say

### Rails技術者認定試験

[App page](https://appshunter.io/ios/app/rails/id6477298979)

**Features:** macOS Compatibility

**In-app purchases:** none


### 機械保全技能検定 特級 過去問集

[App page](https://appshunter.io/ios/app/id6477385004)

This app provides a comprehensive collection of past exam questions for the Special Grade Mechanical Maintenance Skills Test. Study offline, track your progress, and focus on weak areas with randomized question sets and review modes. Prepare effectively for the exam without any advertisements.

**Highlights:** Past exam questions (6 years), Offline usability, Ad-free study environment, Progress tracking, Focus on weak areas, Randomized question sets, Review mode for incorrect/unattempted questions

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

**In-app purchases:** none


## Frequently asked questions

### Is Rails技術者認定試験 free?

Rails技術者認定試験 costs $1.99, with no in-app purchases.

### Is 機械保全技能検定 特級 過去問集 free?

機械保全技能検定 特級 過去問集 costs $3.99, with no in-app purchases.

### Do Rails技術者認定試験 or 機械保全技能検定 特級 過去問集 have ads?

Neither Rails技術者認定試験 nor 機械保全技能検定 特級 過去問集 shows ads.

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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.*