Derk Vrijdag's ISS Detector is a top-charting app on the App Store. It has reached #14 on the France Top Free chart. It is currently in the top 50 in Brazil.
Chart History
Rank over the last 10 days
Currently in Top 50
| Market | Store | Tab | Category | List | Rank |
|---|---|---|---|---|---|
| BR | App Store | apps | education | free | #26 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| FR | education | free | #14 | 2026-07-09 |
| BR | education | free | #26 | 2026-09-04 |