Every answer comes with the law behind it.

Study for Japan's fire protection equipment technician exam: Class 6 Otsu (extinguishers) and Class 4 Kou and Otsu (fire alarm systems). The app and all questions are in Japanese.

One-time purchase, no ads, no account

Home screen with a progress gauge, a button to start a mock exam, today's 10 questions and subjects

1,742 questions in total (Class 6 Otsu 597, Class 4 Otsu 860, Class 4 Kou 1,286; some questions are shared).

597Class 6 Otsu questions
860Class 4 Otsu questions
1,286Class 4 Kou questions
12identification illustrations
39Class 4 Kou drawing drills

Features

The article of law behind every answer

Every question cites its article. Explanations also say why each wrong option is wrong.

Explanation screen with the reason for the answer, why the other options are wrong, and the cited article of the Fire Service Act

Identification drills: tap the part

Kanbetsu drills use 12 original illustrations. Tap a part to see its name and what it does.

Identification screen with a diagram of a stored-pressure powder extinguisher, labelled parts and the selected part explained below

Pass lines at a glance

Mock exams follow the real number of questions and time limit, and the result shows the 40% per subject and 60% overall pass lines.

Mock exam result screen with sample data: a gauge and per-subject scores with 40% and 60% marks

Drawing drills for Class 4 Kou

39 drills on judging the number and type of detectors.

Spaced review

Questions you missed come back automatically after a gap.

Offline

Works without a connection. No ads, no account. iPhone and iPad.

Price

Pro, one-time purchase, ¥1,480

The fire law subjects and the first units of each class are free. Pro opens all questions, mock exams, identification drills and drawing drills. No subscription.