Have you ever wondered how good your reaction time is? Test your friends and family and see who reacts the fastest to red, yellow, and green light. - Download the app on 2 iPhones or iPads and connect when on the same Wi-Fi network. - Place on device 7 or 10 feet away and standing up so that you can see it - Use the other device to "react" when a color appears on the display device. - Have other people try it and compare and share the results!
Education · iPhone, iPad · Free
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