About this app
You can attach the device to a bat and measure the swing speed by swinging. 1. Attach the device to the bat. 2. Swing the bat vertically twice to start the countdown. 3. Follow the countdown and swing the bat after 5 seconds. 4. The maximum swing speed will be displayed and read aloud. Return to step 2 and repeat steps 2 → 3 → 4. *Please note that measurement errors may occur during the process. *We shall not be held responsible for any device malfunctions or damages that may occur as a result of use. Please use at your own risk.
Latest release
What’s New
- Fixed bugs.
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 Aug 18, 2026 · 3:12 AM Free