第1種衛生管理者の森（第1種衛生管理者試験対策アプリ）

第1種衛生管理者の森（第1種衛生管理者試験対策アプリ） is an education app by 合同会社OLA with 100+ downloads (about 278 estimated). +13 installs in the last 7 days. Released Apr 26, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “A learning app for past questions of the Class 1 Health and Safety Manager Examination. Learn quickly with 792 questions from the past 18 exams + automated question generation based on the forgetting curve!”