4NB Video Lecture Solution icon

4NB Video Lecture Solution

이온시그널

⬇ 500+ downloads

Est. actual: 781

Free

Released: Apr 16, 2018

No in-app purchases

No ads

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +7 installs — 600% faster than the week before (+1) · 0/day since Oct 7
🏆Among Productivity apps top 36% by installs gained this week (892 peers growing)
🛠Updates dormant · updated 533 days ago
🔁Ownership moved from 4NB Corp to 이온시그널 · Oct 29, 2026

Installs since launch

+15 installs since Oct 7

Update history

3.6.22 May 28, 2025 · seen Oct 19, 2026

Only the current version so far — new entries appear as the app ships updates.

4NB Video Lecture Solution is a productivity app by 이온시그널 with 500+ downloads (about 781 estimated). +7 installs in the last 7 days. Released Apr 16, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “High quality video lecture solutions used worldwide”