📈Last 7 days+3 installs — 200% faster than the week before (+1) · 0/day since Oct 6
🏆Among Education apps bottom 42% by installs gained this week (1603 peers growing)
🛠Updatesquiet · updated 52 days ago
Installs since launch
+4 installs
since Oct 6
Update history
1.0.1Sep 20, 2026 · seen Oct 6, 2026
Korio Pro can now be bought once and kept — the same levels, rules and grammar as the subscription, with no renewal.
Only the current version so far — new entries appear as the app ships updates.
Korio: Korean & TOPIK Grammar is an education app by pentarab with 5+ downloads (about 6 estimated). +3 installs in the last 7 days. Released Sep 7, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Korean vocabulary, grammar and pronunciation, graded by TOPIK level 1-6.”