레슨북 계약서

Name: 레슨북 계약서
Author: J3LAB

J3LAB

⬇ 50+ downloads

Est. actual: 59

Free

Released: Aug 6, 2026

No in-app purchases

No ads

Rated: Everyone

Signals

3 this week · 2 positive All of this week's signals →

📈Last 7 days +5 installs — 25% faster than the week before (+4) · 1/day since Sep 30
🏆Among Productivity apps top 44% by installs gained this week (722 peers growing)
🛠Updates quiet · updated 64 days ago

Installs since launch

+23 installs since Sep 30

Update history

1.0.1 Sep 8, 2026 · seen Oct 1, 2026

PDF 다운로드 지원, 화면 회전 지원, 기타 앱 사용성 개선

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

레슨북 계약서 is a productivity app by J3LAB with 50+ downloads (about 59 estimated). +5 installs in the last 7 days. Released Aug 6, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Lesson Book Contract is a business app designed to allow centers to conveniently handle consultation and contract management tasks on a tablet. You can input visiting customer consultation information, draft contract details based on the consultation, and complete the electronic signature all in one go. This reduces…”