# 機械保全技能検定 2級 過去問集 vs 競輪データ研究AI

The clearest difference is in-app purchases: 機械保全技能検定 2級 過去問集 at none against 競輪データ研究AI's 1. 機械保全技能検定 2級 過去問集 also leads on iOS requirement (12.0 vs 15.1). 競輪データ研究AI's advantage is update cadence (every 3 days vs every 6 months). On ads and device support there is nothing between them.

機械保全技能検定 2級 過去問集 ships an update every 6 months, 競輪データ研究AI every 3 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 機械保全技能検定 2級 過去問集 | 競輪データ研究AI |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | **[3.9 (46 ratings)](https://appshunter.io/ios/app/2/id6476808815/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 60 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) | [Burning Tribe](https://appshunter.io/developer/1888072646) |

## What reviewers say

### 機械保全技能検定 2級 過去問集

[App page](https://appshunter.io/ios/app/2/id6476808815)

This app provides past exam questions for the Level 2 Mechanical Maintenance Skills Test. It includes five years of questions, allowing for focused study without ads and offline access. Review incorrect answers and practice with randomized question sets.

**Highlights:** Past 5 years of questions, Ad-free study environment, Offline usability, Categorized by exam year, 10-question study units, Randomized question sets, Review incorrect answers

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

**In-app purchases:** none


### 競輪データ研究AI

[App page](https://appshunter.io/ios/app/ai/id6779669894)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.99 | per month |


## Frequently asked questions

### Is 機械保全技能検定 2級 過去問集 free?

Pricing for 機械保全技能検定 2級 過去問集 is not currently listed on the App Store.

### Is 競輪データ研究AI free?

競輪データ研究AI is free to download, with in-app purchases available.

### Do 機械保全技能検定 2級 過去問集 or 競輪データ研究AI have ads?

Neither 機械保全技能検定 2級 過去問集 nor 競輪データ研究AI shows ads.

### Which is updated more often, 機械保全技能検定 2級 過去問集 or 競輪データ研究AI?

機械保全技能検定 2級 過去問集 ships an update every 6 months, and 競輪データ研究AI every 3 days. Most recently, 機械保全技能検定 2級 過去問集 was updated on October 3, 2026 and 競輪データ研究AI on October 9, 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.*