ron mooring's Oilcalcs is a top-charting app on the App Store. It has reached #3 on the South Korea 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 | apps | business | paid | #41 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| KR | business | paid | #3 | 2026-05-24 |
| FR | business | paid | #3 | 2026-05-10 |
| US | business | paid | #18 | 2026-05-25 |
| KR | business | grossing | #48 | 2026-05-24 |