Comparison

WELCOME BLUE vs 2020年1級機械保全技能士学科過去問

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WELCOME BLUE

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
Read full description

WELCOME to Learning World BLUE テキスト完全準拠CDをアプリ化! YELLOWの後に聞かせたい人気のチャンツを多数収録。 「アップルパイを食べたい I want a biteチャンツ」、身体を押さえながら身体を動かすチャンツ、The Hokey Pokey, 帽子はどこ?のチャンツなどおうちで口ずさめるものが満載です。 Halloweenに暗唱できるライム、クリスマスの歌Santa Claus is Comingの音声も人気です。 ご家庭で日常的に、英語教室の送り迎えの車の中などでも、どんどん聴かせてあげることが、子供達のリスニング力アップにつながります。 <対象> ・5~7歳 <概要> ■ 中本幹子 監修 ・CDディスク1枚分 ・収録時間:34分48秒 ・トラック数:全48 ・音声の内容:チャンツ7曲/ 歌13曲/ライム3つ/ Sara & Andyの会話

About

2020年1級機械保全技能士学科過去問

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
Read full description

解答の解説も表示されるため、理解度も深まり、隙間時間を利用して効果的に学習できます。 ◇問題 1.試験と同様の50問出題 2.チェックした問題のみ出題 3.間違えた問題のみ出題 上記が選択できます。 ◇設定 ・試験日設定 試験日を登録することにより、試験日までの残り日数が表示されます。

Screenshots

WELCOME BLUE2 screens
2020年1級機械保全技能士学科過去問3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 4 level
WELCOME BLUE versus 2020年1級機械保全技能士学科過去問: the parameters behind the verdict, then further details
ParameterWELCOME BLUE2020年1級機械保全技能士学科過去問
Price$2.99$1.99 — better
Positive reviews100.0% of reviews — better0.0% of reviews
Update frequencyEvery 29 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size56 MB7 MB
Age rating4+4+
DeveloperAPRICOT PUBLISHING CO., LTD.shinji ikeda

Customer experience

WELCOME BLUE

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

2020年1級機械保全技能士学科過去問

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

WELCOME BLUE

No in-app purchases

None

2020年1級機械保全技能士学科過去問

No in-app purchases

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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