第二種 衛生管理者【試験対策 過去問題集アプリ】 is an education app by dxapp labo with 1,000+ downloads (about 4.4K estimated). +135 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “ Class 2 Hygiene Manager exam preparation app. Repeated study → Review weak areas → Pass mock exams. Routine study to greatly increase efficiency.”