🏆Among Productivity apps bottom 0% by installs gained this week (842 peers growing)
🛠Updatesdormant · updated 1385 days ago
Installs since launch
0 installs
since Oct 7
Update history
1.0Jan 29, 2023 · seen Oct 19, 2026
Only the current version so far — new entries appear as the app ships updates.
똑똑 Knocknock is a productivity app by JunJangE with 10+ downloads (about 29 estimated). Released Jan 29, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “Heart-touching push notifications, smart”