Mantra Inc.'s Langaku（ランガク）- マンガで楽しく英語を勉強しよう is a top-charting app on the App Store. It has reached #14 on the Japan Top Grossing chart. It is currently in the top 50 in Japan.
Chart History
Rank over the last 30 days
Currently in Top 50
| Market | Store | Tab | Category | List | Rank |
|---|---|---|---|---|---|
| JP | App Store | apps | education | free | #41 |
| JP | App Store | apps | education | grossing | #20 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| JP | education | grossing | #14 | 2026-05-10 |
| JP | education | free | #32 | 2026-05-21 |