Developer
秀娟 周
6 apps· United States App Store
Apps
6
None charting
Ratings
711
4.58 ★ average
Est. downloads / mo
<5K
Below chart threshold
Est. IAP revenue / mo
<$5K
Below chart threshold
Catalog
All apps by 秀娟 周
| # | App | Age | Rating | DL /mo | Rev /mo | Δ30d | Trend |
|---|---|---|---|---|---|---|---|
| 1 |  SAT® Exam Prep 2026Education | 3.2y | 4.5 ★ (228) | <5K | <$5K | — | · |
| 2 |  ACT Test Prep 2026Education | 3.2y | 4.5 ★ (163) | <5K | <$5K | — | · |
| 3 |  SIE Exam Prep 2026Education | 3.3y | 4.6 ★ (113) | <5K | <$5K | — | · |
| 4 |  LSAT Test Prep 2026Education | 3.4y | 4.7 ★ (106) | <5K | <$5K | — | · |
| 5 |  PMP Exam Prep Practice 2026Education | 3.4y | 4.8 ★ (86) | <5K | <$5K | — | · |
| 6 |  GACE Test Prep 2026Education | 3.4y | 4.7 ★ (15) | <5K | <$5K | — | · |
Apps tracked in the StoreIntel index · estimates are modeled for apps on tracked charts only