Reaction Speed is a precision-based reaction time tester developed by Softosaurus for Android devices. The app allows users to measure their reaction time and compare their current results with their previous ones. One can even check how alcohol affects their reaction speed.

The app is simple and easy to use. All you have to do is press the red buttons that appear on the screen. After 10 measures, the app removes the outliers and displays the average result. This feature helps to ensure accurate results.

Overall, Reaction Speed is a useful tool for anyone interested in measuring their reaction time. The app is free and available for download on the Google Play Store.