勉強時間の計測

Name: 勉強時間の計測
Author: IJ System

IJ System

⬇ 1,000+ downloads

Est. actual: 3,015

Free

Released: Dec 29, 2018

No in-app purchases

Contains ads

Signals

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

📈Last 7 days 0 installs · 0/day since Oct 9
🏆Among Education apps bottom 0% by installs gained this week (1707 peers growing)
🛠Updates quiet · updated 59 days ago

Installs since launch

0 installs since Oct 9

Update history

1.0.4 Sep 13, 2026 · seen Oct 19, 2026

沢山のユーザー様に使って頂いていることが分かりましたので、感謝の気持を込めまして、広告表示を全削除しました。

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

勉強時間の計測 is an education app by IJ System with 1,000+ downloads (about 3K estimated). Released Dec 29, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “Apps born just to measure study time”