📈Last 7 days+7 installs — 46% slower than the week before (+13) · 1/day since Oct 6
🏆Among Education appstop 36% by installs gained this week (1707 peers growing)
⭐Rating steady at ★ 2.50 since Oct 6
🛠Updatesquiet · updated 68 days ago
Installs since launch
+20 installs
· -2 ratings
since Oct 6
Update history
1.0Sep 4, 2026 · seen Oct 6, 2026
Landscape mode support
Only the current version so far — new entries appear as the app ships updates.
KoAbacus - 주판, 주산, 암산 is an education app by aboard with 100,000+ downloads (about 135K estimated). +7 installs in the last 7 days. Rated 2.5 from 259 ratings. Released Oct 22, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “Abacus , Korean Abacus & Mental Arithmetic”