RUMAHSAKU CORP. · com.rumahsaku.haisui · Education
Google Play shows 10+ for 排水設備工事責任技術者 試験対策. The counter behind it stood at 38 lifetime downloads on Aug 17, 2026. Recorded by AppCurves, once a day, from the public Play listing — not modelled, not estimated.
| Date | Lifetime downloads | Added |
|---|---|---|
| Aug 10, 2026 | 31 | — |
| Aug 16, 2026 | 35 | +4 |
| Aug 17, 2026 | 38 | +3 |
Android only — Apple publishes no download counts. Questions · llms.txt