Observed ranking series
Switch between countries, platforms, chart types, and categories where this app has appeared.
AppPriceDataObserved data
AppPriceData
Japan · iOS · Free · Books
Observed App Store chart positions. Gaps mean the app was not ranked in a collected snapshot, not that collection was missing.
Switch between countries, platforms, chart types, and categories where this app has appeared.
Chart snapshots: 7 · Ranked snapshots: 7
| Date | Rank | Status |
|---|---|---|
| 2026-08-21 | #20 | Ranked |
| 2026-08-14 | #21 | Ranked |
| 2026-08-13 | #20 | Ranked |
| 2026-08-12 | #20 | Ranked |
| 2026-08-10 | #21 | Ranked |
| 2026-08-07 | #18 | Ranked |
| 2026-08-06 | #18 | Ranked |
These are observed App Store chart positions. They do not estimate downloads, revenue, or popularity when the source data does not provide those values.