▸Measure how fast you respond when you hear a beep sound
▸In Simple Mode, click/tap as soon as you hear any beep
▸In Advanced Mode, low beeps appear as distractors — click/tap only when you hear the high beep (clicking/tapping on low beep resets the test)
▸Distractor Frequency is the percentage of times low beeps appear instead of high beeps
▸Test your audio above before starting to ensure sound works
🔊
Low Beep
WAIT
High Beep
CLICK
Click/Tap anywhere to start
0ms
Click start to begin!
Your reaction time will appear here
📊Performance Statistics
Recent Results
📖 Detailed Instructions
Test your audio using the buttons above to ensure you can hear both beep types.
Select your mode: Simple for basic training or Advanced for distractor challenges.
In Advanced Mode, choose the distractor frequency (10%-80%).
Click anywhere in the test area to start.
Simple Mode: Click/tap as soon as you hear the beep.
Advanced Mode: Wait for the high beep and click/tap ONLY when you hear it. Low beeps will appear as distractors. Clicking/tapping on low beep resets the test.
Your reaction time will be displayed after each attempt.
Try multiple attempts to improve your score and see your statistics.