第二種冷凍機械責任者 | 2026年対策問題 vs Ko4Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
第二種冷凍機械責任者 | 2026年対策問題
This app offers 800 original practice questions for the Type 2 Refrigeration Engineer exam. It organizes content by topic, provides detailed explanations for correct and incorrect answers, and supports offline use. The app aims to help users understand concepts rather than just memorize them.
- 800 original practice questions
- Detailed explanations for answers
- Topic-based learning
- Randomized question order
- Review incorrect answers
- Offline access
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「第二種冷凍機械責任者、これ一つで」 第二種冷凍機械責任者の対策に必要な知識をオリジナル800問で学べる買い切り型の学習アプリです。 学ぶ人がつまずきやすい論点を分野別に整理。 問題を解くだけでなく、正解・不正解それぞれの理由を確認できるため、なんとなく覚えるのではなく、知識を理解しながら進められます。 収録内容： ・第二種冷凍機械責任者の最新オリジナル問題800問 ・本試験形式に合わせた出題方式 ・分野別学習 ・ランダム出題 ・間違えた問題の復習 ・お気に入り問題 ・選択肢ごとの詳しい解説 ・オフライン利用対応 ・広告なし、追加課金なし 本アプリは、第二種冷凍機械責任者の学習補助を目的とした非公式アプリです。
Ko4Study
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This app is a comprehensive study tool for the Japanese Fire Equipment Inspector Class A Type 4 exam. It includes 390+ multiple choice questions, 200 flashcards, wiring calculation exercises, system diagram practice, mock exams, and a photo gallery of real fire detection equipment. All content works offline. Track your progress and study efficiently for the national exam.
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Verdict
The clearest difference is update cadence: Ko4Study at every 10 days against 第二種冷凍機械責任者 | 2026年対策問題's every 3 weeks. Ko4Study also leads on iOS requirement (15.1 vs 17.0). 第二種冷凍機械責任者 | 2026年対策問題's advantage is price ($2.99 vs $3.99). On ads, in-app purchases 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
第二種冷凍機械責任者 | 2026年対策問題 costs $2.99 and Ko4Study $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
第二種冷凍機械責任者 | 2026年対策問題 ships an update every 3 weeks, Ko4Study every 10 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | 第二種冷凍機械責任者 | 2026年対策問題 | Ko4Study |
|---|---|---|
| Price | $2.99 — better | $3.99 |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaki Kobayashi | TANI YUICHIRO |
In-app purchases
第二種冷凍機械責任者 | 2026年対策問題
No in-app purchases
Ko4Study
No in-app purchases
Questions
Is 第二種冷凍機械責任者 | 2026年対策問題 free?
Is Ko4Study free?
Do 第二種冷凍機械責任者 | 2026年対策問題 or Ko4Study have ads?
Which is updated more often, 第二種冷凍機械責任者 | 2026年対策問題 or Ko4Study?
Other comparisons
