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Where this app stands in South Korea, updated 9 Oct 2026
Top free · Books and reference
#22 –
Top grossing
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Top paid
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| Date | Free |
|---|---|
| 9 Oct 2026 | #22 |
| 8 Oct 2026 | #22 |
Best rank in each country today. Click a country to see its graph.
Lightly read a book from the lock screen
📖 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 ever be able to read all the great books you have? Naturally encounter key summaries of books every time you turn on your phone, and grasp the overall flow of a book with just a few scrolls! Build a reading habit lightly, without the burden of time or cost. Restart the reading opportunities you've been missing with Tteumtteum Book. The opportunity to read multiple books a day is now in your hands. [Special Features of Tteumtteum Book] Since you can automatically view book summaries on your lock screen like an alarm, Tteumtteum Book will ring an alarm intermittently throughout your daily life to remind you to read as if you were reading a book! Trust only Tteumtteum Book to read easily and rapidly build your general knowledge💚