📈Last 7 days+1 installs — 0% faster than the week before (+1) · 0/day since Oct 9
🏆Among Education apps bottom 0% by installs gained this week (1889 peers growing)
🛠Updatesactively updated · updated 6 days ago · every ~20 days (2 updates tracked)
Installs since launch
+4 installs
since Oct 9
Update history
1.2.6Nov 5, 2026 · seen Nov 9, 2026
Class A-4 now has 55 questions on installation work and fundamentals tested only in Class A, plus 21 drawing practice questions. Purchases in this app stay in this app.
1.2.2Oct 17, 2026 · seen Oct 19, 2026
Simplified the Settings screen; it now links to the privacy policy. Study records and purchases are unchanged.
消防設備士 乙6・甲4・乙4・乙7 一問一答 is an education app by Particles and Waves with 1+ downloads (about 4 estimated). +1 installs in the last 7 days. Released Oct 3, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “This course allows you to switch between studying for the written exams of the Fire Protection Equipment Technician Class B Category 6, Class A Category 4, Class B Category 4, and Class B Category 7. Practice the fundamentals and key points through explanations of all answer choices, mock exams, and review sessions.”
