# WELCOME BLUE vs 2022年2級機械保全技能士学科過去問

The clearest difference is monetization model: 2022年2級機械保全技能士学科過去問 at free against WELCOME BLUE's paid. 2022年2級機械保全技能士学科過去問 also leads on update cadence (every 8 months vs every 29 months). WELCOME BLUE's advantage is iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

WELCOME BLUE ships an update every 29 months, 2022年2級機械保全技能士学科過去問 every 8 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | WELCOME BLUE | 2022年2級機械保全技能士学科過去問 |
| --- | --- | --- |
| Price | **$2.99** | — |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/20222/id6449904769/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 8 months** |
| Monetization | Paid | **Free** |
| Size | 56 MB | 8 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [APRICOT PUBLISHING CO., LTD.](https://appshunter.io/developer/1387800869) | [shinji ikeda](https://appshunter.io/developer/1615407188) |

## What reviewers say

### WELCOME BLUE

[App page](https://appshunter.io/ios/app/welcome-blue/id1387800870)

This app offers a collection of popular English chants, songs, and rhymes for children aged 5-7. It aims to improve listening skills through daily exposure to fun and engaging audio content, perfect for home or car use.

**Highlights:** English chants, songs, and rhymes, Improves listening skills, Content for ages 5-7, Daily learning activities, Includes dialogues

**Features:** macOS Compatibility

**In-app purchases:** none


### 2022年2級機械保全技能士学科過去問

[App page](https://appshunter.io/ios/app/20222/id6449904769)

This app provides practice questions for the 2022 Level 2 Mechanical Maintenance Skills exam. It features random question generation, detailed explanations, and customizable study modes to help users learn efficiently during free time.

**Highlights:** Randomized question generation, Detailed answer explanations, 50-question exam simulation, Study specific flagged questions, Review only incorrect answers, Exam date countdown

**In-app purchases:** none


## Frequently asked questions

### Is WELCOME BLUE free?

WELCOME BLUE costs $2.99, with no in-app purchases.

### Is 2022年2級機械保全技能士学科過去問 free?

Pricing for 2022年2級機械保全技能士学科過去問 is not currently listed on the App Store.

### Do WELCOME BLUE or 2022年2級機械保全技能士学科過去問 have ads?

Neither WELCOME BLUE nor 2022年2級機械保全技能士学科過去問 shows ads.

### Which is updated more often, WELCOME BLUE or 2022年2級機械保全技能士学科過去問?

WELCOME BLUE ships an update every 29 months, and 2022年2級機械保全技能士学科過去問 every 8 months. Most recently, WELCOME BLUE was updated on October 25, 2026 and 2022年2級機械保全技能士学科過去問 on October 21, 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.*