About this app
Test your reaction speed. 1. Test your visual reaction time. • Measure your reaction time by detecting a change on the screen and clicking. 2. Test your auditory reaction time. • Measure your reaction time by recognizing a sound effect and clicking. 3. Test your color reaction time. • Measure your reaction time by clicking the button corresponding to each color.
Latest release
What’s New
- Fixed minor 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 26, 2026 · 7:22 AM Free