MiracleStudy's ロック画面漢字（漢字・四字熟語・ことわざの学習アラーム） is a top-charting app on the Google Play. It has reached #12 on the Japan Top Free chart. It is currently in the top 50 in Japan.
Chart History
Rank over the last 30 days
Currently in Top 50
| Market | Store | Tab | Category | List | Rank |
|---|---|---|---|---|---|
| JP | Google Play | apps | education | free | #25 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| JP | education | free | #12 | 2026-06-14 |