資格のキーホルダー · Understand occupational health from its legal basis

First-Class Health and Safety Officer

Build command of all five subjects through focused repetition.

Practice 300 questions across regulations, occupational health, and physiology, then test your judgment with exam-format mock tests.

300 practice questionsExplanations and sources21- and 44-question mocks

300 questions First-Class Health and Safety Officer app icon

Before you start

iOS app: 資格のキーホルダー宅建・簿記・FP・ITパスポート
What it does: One app with practice questions for 49 Japanese exams across 34 qualifications, each with its own study record and exam date.
Content and features: 49 exams, 34 qualifications / Explanations for every choice / Automatic review of missed questions / Daily target from your exam date
Requirements: iOS 16.0 or later
Free access and purchases: The first 10 questions of every qualification are free. Full questions and mock exams are a one-time in-app purchase per qualification, not a subscription.
Before choosing: Japanese-language exam practice. Not an official app of any exam body and no pass guarantee. Most questions download when you open a qualification; the first 10 work offline.

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