About this app
Stop your body clock ... Stop the stopwatch exactly at the target time! ▼ What kind of app is a biological clock anywhere? It is an app that trains your body clock while having fun! Please compete with your family and friends! ▼ Let's aim for perfection! If you stop it exactly, it will be displayed as PERFECT! Please aim for PERFECT! ▼ You can select the time You can change the challenge time to 5 seconds, 10 seconds, and 30 seconds. The longer you spend, the more you can't stop without having an accurate body clock. By all means, aim for perfection at all times!
Latest release
What’s New
Changed to adaptive banner.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 19, 2026 · 10:22 AM Free