Park Jisang's MentalCalculation & Abacus Pro is a top-charting app on the App Store. It has reached #1 on the Brazil Top Paid chart. It is currently in the top 50 in South Korea.
Chart History
Rank over the last 30 days
Currently in Top 50
| Market | Store | Tab | Category | List | Rank |
|---|---|---|---|---|---|
| KR | App Store | games | trivia | paid | #24 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| BR | trivia | paid | #1 | 2026-04-20 |
| KR | trivia | paid | #17 | 2026-04-17 |
| BR | arcade | paid | #27 | 2026-04-19 |
| KR | trivia | grossing | #46 | 2026-04-17 |