틈틈북 - 바쁜 당신을 위한 잠금화면 요약 독서앱+알람

틈틈북 - 바쁜 당신을 위한 잠금화면 요약 독서앱+알람 is a books & reference app by TmTmBook with 100,000+ downloads (about 180K estimated). +1.8K installs in the last 7 days. Rated 4.9 from 1.3K ratings. Released Jun 5, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “📖 Tteumtteum Book - Build a Real Reading Habit Right on Your Lock Screen! 📌 Do you want to read but simply can't find the time? 📌 Do you have a hazy memory of the contents of books you read as a child? 📌 Do you want to broaden your knowledge but lack the motivation? 📌 Have you ever wondered when you would…”