틈틈봇-용접, 특수용접기능사 (잠금화면 기출문제+알람)

틈틈봇-용접, 특수용접기능사 (잠금화면 기출문제+알람) is an education app by 틈틈봇 (잠금화면에서 틈틈이, 자동으로 시험공부) with 5,000+ downloads (about 7.4K estimated). +8 installs in the last 7 days. Released Mar 27, 2022. Install growth, rank history, SDKs and ad networks.

From the store listing: “■1. Study automatically! What if you could automatically study one previous exam question from the Welding Technician and Special Welding Technician exam every time you turned on your phone? How often do you check your phone each day? Checking KakaoTalk, Instagram, checking the time, and even just unconsciously…”