📈Last 7 days+3 installs — 62% slower than the week before (+8) · 1/day since Oct 9
🏆Among Education apps bottom 48% by installs gained this week (2475 peers growing)
🛠Updatesdormant · updated 198 days ago
Installs since launch
+24 installs
since Oct 9
Update history
2.2.2Apr 30, 2026 · seen Oct 18, 2026
1. Fix small bug on Reading Book Island
Only the current version so far — new entries appear as the app ships updates.
Umbalena School is an education app by VOOC Technology .,Ltd with 1,000+ downloads (about 4.2K estimated). +3 installs in the last 7 days. Released Sep 27, 2022. Install growth, rank history, SDKs and ad networks.
From the store listing: “Thư viện số Umbalena School quy tụ các sách tham khảo theo môn học tại trường”
