Preview
Description
A study app for the Japan Hazardous Materials Handler (Class A / Kou) exam — the top-tier license covering all categories of hazardous materials. Study efficiently with practice questions and detailed explanations across all 3 subjects. ■ Subjects Covered • Laws and regulations on hazardous materials • Physics and chemistry • Properties of hazardous materials, fire prevention, and extinguishing methods (all categories) ■ Study Modes • Random practice (10 / 25 / 50 / 100 questions) • Study by subject • All questions in order (resume supported) • Review incorrect answers • Bookmarks and unanswered questions ■ Progress Tracking • Automatic tracking of correct answer rate • Subject-by-subject performance overview Works completely offline — study anytime, anywhere. ■ Reference Sources • Fire and Disaster Management Agency https://www.fdma.go.jp/ • Center for Fire and Disaster Prevention, Testing Division https://www.shoubo-shiken.or.jp/ ※ This app is an independent study tool and is not affiliated with any examination body.
What's New
Version 1.1 2026-07-20
Minor fixes. Technical Analysis
Package Overview Basic metadata
Bundle ID
jp.razuma.kiken-kou-study Current Version 1.1
Minimum iOS 16
Package Size App Store Size
Package Metadata 0 / 0 version records
Detailed binary, privacy manifest, framework, and Info.plist results have not been indexed for this package yet. The verified App Store and archive metadata above remains available.
Developer Information
Known Version Records
0 version records with stored package metadata
Stored metadata does not guarantee a package is currently available to download.
| Details | Version / IDs | Version date | Action |
|---|