Apple Watch Screenshots


Test your reaction time at the start of a Formula 1 race. 
The average reaction time of an F1 driver is approximately 0.2 seconds…

How fast are you?

You can start the test by tapping everywhere on the screen. The five lights turn on at one second intervals and go out after a random time. When all lights went out, tap the screen again as quickly as you can.

App Privacy

The developer, George Galai, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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