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Reaction & reflex
Reflex and reaction-time benchmarks. Single-stimulus, choice-reaction, audio-cue, go/no-go, and tracking sub-tests. Compare yourself to a global leaderboard.
What reaction tests measure
Reaction time is how fast you turn a signal into a response — a window onto processing speed and attention. It comes in flavours: simple reaction (one stimulus, one response), choice reaction (pick the right response), and inhibition tasks like go/no-go (act, but withhold on certain cues). These are performance benchmarks scored in milliseconds, with leaderboards — your consistency matters as much as your fastest single hit.
Simple vs choice
Raw speed to a single cue versus speed when you must choose the correct response — choice adds a decision cost.
Inhibition (go/no-go)
Acting fast while withholding on no-go signals — a measure of impulse control, not just speed.
Consistency & percentile
Median and variability across trials, ranked on a leaderboard, so a lucky tap does not define your score.
- ≈ 1 minEasyCompetitive
Audio Reflex
How fast can you react to sound?
Start the test - ≈ 5 minEasyPersonality
Impulsivity Test — Attention, Action and Patience
Impulsivity isn't one setting. Three components scored apart, and one of eight profiles from the shape they make.
Start the test - ≈ 1 minEasyCompetitive
Reaction Time
How fast are you, really?
Start the test - ≈ 5 minEasyCompetitive
Reflex Profile
Five reaction tests in five minutes — and a profile of how you respond.
Start the test - ≈ 2 minEasyCompetitive
Time Perception Test — How Accurate Is Your Internal Clock?
Produce five intervals with no timer on screen and find out whether your internal clock runs fast or slow. Free, no signup.
Start the test