🏆Among Education apps bottom 28% by installs gained this week (1677 peers growing)
🛠Updatesquiet · updated 66 days ago
Installs since launch
+3 installs
since Oct 7
Update history
20.0cSep 5, 2026 · seen Oct 19, 2026
Only the current version so far — new entries appear as the app ships updates.
제이스트링음악학원 is an education app by B2 Corp. with 100+ downloads (about 357 estimated). +2 installs in the last 7 days. Released Feb 15, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “The news delivery app for J-string Music Academy students.”
