NightWell:Smart Sleep Tracker by C2 INC has appeared on the Google Play top charts. It has reached #7 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 | Google Play | apps | health_fitness | grossing | #8 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| JP | health_fitness | grossing | #7 | 2026-05-16 |
| JP | health_fitness | free | #46 | 2026-04-17 |