危険物乙4 解説付き問題集+暗記カード icon

危険物乙4 解説付き問題集+暗記カード

レソリューション
⬇ 10,000+ downloads
Est. actual: 20,502
Free
Released: Feb 19, 2018
No in-app purchases
Contains ads

Signals

3 this week · 3 positive All of this week's signals →
  • 📈Last 7 days +56 installs — 22% faster than the week before (+46) · 6/day since Oct 9
  • 🏆Among Education apps top 10% by installs gained this week (1752 peers growing)
  • 🛠Updates actively updated · updated 20 days ago · every ~90 days (2 updates tracked)
Installs since launch
0 10K 21K 21K Feb 19, 2018 today
+167 installs since Oct 9
Update history
2.46 Oct 21, 2026 · seen Oct 30, 2026
いくつかの問題・解説の誤字を修正しました。
2.45 Jul 23, 2026 · seen Oct 19, 2026
軽微な不具合を修正

危険物乙4 解説付き問題集+暗記カード is an education app by レソリューション with 10,000+ downloads (about 21K estimated). +56 installs in the last 7 days. Released Feb 19, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “Dangerous Goods Handling Examination All 280 questions (with explanations) + 200 memorization cards included in the class B Class 4 [Department Exam]”