ボイラー整備士 -2026年-試験対策 icon

ボイラー整備士 -2026年-試験対策

ArkTech LLC

⬇ 5+ downloads

Est. actual: 7

Free

Released: Sep 23, 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 +2 installs — 33% slower than the week before (+3) · 0/day since Oct 7
🏆Among Books & Reference apps bottom 21% by installs gained this week (308 peers growing)
🛠Updates quiet · updated 48 days ago

Installs since launch

+7 installs since Oct 7

Update history

1.1.10 Sep 24, 2026 · seen Oct 19, 2026

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

ボイラー整備士 -2026年-試験対策 is a books & reference app by ArkTech LLC with 5+ downloads (about 7 estimated). +2 installs in the last 7 days. Released Sep 23, 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! Make the most of your spare time. The definitive guide to preparing for the 2026 Boiler Maintenance Technician exam.”