Yutaka Kato's イントロ王: イントロクイズ・最新曲から懐メロまで is a top-charting app on the App Store. It has reached #1 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 | App Store | games | trivia | free | #18 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| JP | trivia | free | #1 | 2026-07-23 |
| JP | all | free | #3 | 2026-07-20 |
| KR | trivia | free | #5 | 2026-07-20 |
| JP | trivia | grossing | #8 | 2026-07-23 |