# WELCOME BLUE vs 2020年1級機械保全技能士学科過去問

The clearest difference is review sentiment: WELCOME BLUE at 100% against 2020年1級機械保全技能士学科過去問's 0%. WELCOME BLUE also leads on iOS requirement (11.0 vs 15.0). 2020年1級機械保全技能士学科過去問's advantage is update cadence (monthly vs every 29 months) and price ($1.99 vs $2.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

WELCOME BLUE costs $2.99 and 2020年1級機械保全技能士学科過去問 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WELCOME BLUE ships an update every 29 months, 2020年1級機械保全技能士学科過去問 monthly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WELCOME BLUE | 2020年1級機械保全技能士学科過去問 |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 56 MB | 7 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


### 2020年1級機械保全技能士学科過去問

[App page](https://appshunter.io/ios/app/20201/id1615407186)

This app provides practice questions for the 2020 Level 1 Mechanical Maintenance Engineer exam. It offers customizable quizzes, detailed explanations for answers, and a countdown to your exam date for effective, time-efficient study.

**Highlights:** 50-question quizzes, Customizable question sets, Review incorrect answers, Detailed answer explanations, 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 2020年1級機械保全技能士学科過去問 free?

2020年1級機械保全技能士学科過去問 costs $1.99, with no in-app purchases.

### Do WELCOME BLUE or 2020年1級機械保全技能士学科過去問 have ads?

Neither WELCOME BLUE nor 2020年1級機械保全技能士学科過去問 shows ads.

### Which is updated more often, WELCOME BLUE or 2020年1級機械保全技能士学科過去問?

WELCOME BLUE ships an update every 29 months, and 2020年1級機械保全技能士学科過去問 monthly. Most recently, WELCOME BLUE was updated on October 25, 2026 and 2020年1級機械保全技能士学科過去問 on October 30, 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.*