📈Last 7 days+11 installs — 175% faster than the week before (+4) · 1/day since Oct 9
🏆Among Business appstop 14% by installs gained this week (844 peers growing)
🛠Updatesquiet · updated 77 days ago
Installs since launch
+23 installs
since Oct 9
Update history
1.0Aug 26, 2026 · seen Oct 21, 2026
Only the current version so far — new entries appear as the app ships updates.
Boiler Engineer G1 Exam JP is a business app by razuma with 10+ downloads (about 36 estimated). +11 installs in the last 7 days. Released Aug 25, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Japan Class 1 Boiler Engineer license exam prep, 400 questions explained”