틈틈봇-소방설비기사 (전기, 기계) (잠금화면 알람)

틈틈봇-소방설비기사 (전기, 기계) (잠금화면 알람) is an education app by 틈틈봇 (잠금화면에서 틈틈이, 자동으로 시험공부) with 50,000+ downloads (about 63K estimated). +220 installs in the last 7 days. Released Mar 28, 2022. Install growth, rank history, SDKs and ad networks.

From the store listing: “■1. Study automatically! What if you could automatically study one question from a previous Fire Equipment Engineer exam every time you turned on your phone? How often do you turn on your phone each day? You check KakaoTalk, Instagram, the time, and even just glance at your phone unconsciously. But if a question…”