危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 generates an estimated $800–$5k/month in revenue from 3k–11k downloads/month on Google Play, according to AppCurrents estimates (updated 2026-08-02).
| Est. revenue / month | $800–$5k |
|---|---|
| Est. downloads / month | 3k–11k |
| Estimate confidence | low |
| Pricing | Free + IAP |
| Rating | 4.49 ★ (0 ratings) |
| Category | Education |
| Released | 19.08.2021 |
| App last updated | 01.12.2025 |
| Platform | Android |
Measured monthly estimate · Play installs · low confidence
About
The definitive app for preparing for the Class 4 Hazardous Materials Handler Exam! It features 618 frequently asked questions, from basic Q&A to actual exam format. Each question comes with a detailed explanation. There's also a feature that allows you to review all checked questions at once later. Additionally, the "Study Methods for Hazardous Materials Class 4" page, which provides detailed inst…
Trends & analysis
Chart rank trend
US · overallWhy it's surfacing
Scout 11Ratings & velocity
Geographic reach
best rank · 1 storefrontRevenue & downloads trend
ARPU $0In-app purchases
1 tiers危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 — FAQ
How much money does 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 make?
According to AppCurrents estimates, 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 generates approximately $800–$5k per month (low confidence), modeled from its Google Play chart performance, rating velocity, and monetization signals.
How many downloads does 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 get?
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 sees an estimated 3k–11k downloads per month on Google Play, per AppCurrents modeling.
Is 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 free?
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 is free to download on Google Play, monetizing through in-app purchases.
When was 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 released?
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 launched on Google Play on 19.08.2021. Its latest version shipped 01.12.2025.
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