📈Last 7 days+3 installs — 200% faster than the week before (+1) · 0/day since Oct 7
🏆Among Education apps bottom 40% by installs gained this week (1889 peers growing)
🛠Updatesactively updated · updated 7 days ago · every ~20 days (2 updates tracked)
Installs since launch
+6 installs
since Oct 7
Update history
1.1.5Nov 5, 2026 · seen Nov 10, 2026
Added a note about Qualification Keyholder, which covers 60 qualifications in one app. Purchases in this app stay in this app.
1.1.2Oct 17, 2026 · seen Oct 21, 2026
Simplified the Settings screen; it now links to the privacy policy. Study records and purchases are unchanged.
Boiler Engineer 2, 1 & Special is an education app by Particles and Waves with 10+ downloads (about 11 estimated). +3 installs in the last 7 days. Released Sep 12, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Multiple qualification levels, with per-course progress and one-time purchases.”
