hada keiko's 労働・衛生・作業 資格試験 is a top-charting app on the App Store. It has reached #16 on the Japan Top Paid chart. It is currently in the top 50 in Japan.
Chart History
Rank over the last 11 days
Currently in Top 50
| Market | Store | Tab | Category | List | Rank |
|---|---|---|---|---|---|
| JP | App Store | apps | lifestyle | paid | #37 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| JP | lifestyle | paid | #16 | 2026-05-25 |