About this app
How fast are you? YOU FAST? tests your reaction time using iconic Formula 1 starting lights. Wait for the red lights to disappear — then tap as fast as you can. FEATURES - F1-inspired starting lights sequence - Reaction time measured to the millisecond - Personal best & stats tracking - Reaction ratings from Average to Superhuman - Share your score and challenge your friends The lights go out. Can you beat the reflexes of an F1 driver?
Latest release
What’s New
Polished the UI for smaller iPhones — everything fits better now. Plus a few small bug fixes.
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 4, 2026 · 5:06 AM Free
Screenshots
