Hazmat Class A Exam Prep JP

Name: Hazmat Class A Exam Prep JP
Author: razuma

razuma

⬇ 50+ downloads

Est. actual: 79

Free

Released: Jun 5, 2026

No in-app purchases

Contains ads

Rated: Everyone

Signals

3 this week · 3 positive All of this week's signals →

📈Last 7 days +10 installs — 150% faster than the week before (+4) · 1/day since Sep 30
🏆Among Business apps top 15% by installs gained this week (1337 peers growing)
🛠Updates actively updated · updated 2 days ago · every ~122 days (2 updates tracked)

Installs since launch

+38 installs since Sep 30

Update history

1.2 Nov 12, 2026

- Fixed the quiz going back to question 1 after switching apps and returning<br>- Fixed the "Continue" position sometimes being lost<br>- Updated internal libraries

1.1 Jul 13, 2026 · seen Sep 30, 2026

Hazmat Class A Exam Prep JP is a business app by razuma with 50+ downloads (about 79 estimated). +10 installs in the last 7 days. Released Jun 5, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “A study app for the Japan Dangerous Goods / Hazardous Materials Handler exam, Class A (危険物取扱者甲種, "Kou"). Class A is the highest-level qualification, covering all categories of hazardous materials (Types 1-6). Study efficiently with practice questions and clear explanations across all subjects. ■ Subjects Covered…”