大気関係第4種公害防止管理者-2026年版-試験対策

Name: 大気関係第4種公害防止管理者-2026年版-試験対策
Author: ArkTech LLC

ArkTech LLC

⬇ 1+ downloads

Est. actual: 1

Free

Released: Oct 5, 2026

IAP: $4.89 per item

Contains ads

Signals

3 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days 0 installs — 100% slower than the week before (+1) · 0/day since Oct 9
🏆Among Books & Reference apps bottom 0% by installs gained this week (308 peers growing)
🛠Updates quiet · updated 36 days ago

Installs since launch

+1 installs since Oct 9

Update history

1.0.0 Oct 6, 2026 · seen Oct 19, 2026

Only the current version so far — new entries appear as the app ships updates.

大気関係第4種公害防止管理者-2026年版-試験対策 is a books & reference app by ArkTech LLC with 1+ downloads (about 1 estimated). Released Oct 5, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “[Pass in the shortest time] 500 excellent questions and detailed explanations for a first-time pass! Utilize your spare time effectively. The definitive guide to preparing for the 2026 Air Pollution Control Manager (Type 4) exam.”