About this app

An app for reaction speed, reflex testing and training Touch the screen when a red square appears Displays rank according to reaction speed Practicing every day may also be a training of reflexes It can also be used as a training for concentration. Recommended for those who are playing games such as FPS

Latest release

What’s New

Version 2.4 Jul 15, 2026

Minor fixes.

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

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