PYPL STELLAR
Cognitive performance tests

Reaction Time Test (Free)

Measure your visual reflexes in seconds. See average reaction time benchmarks, then follow a plan to improve reaction time.

Fast10–30 seconds

Quick runs encourage consistency.

Trackyour best

Save personal bests and history.

Improvewith practice

Short daily drills beat long sessions.

How the reaction time test works

  1. Wait for the screen to change.
  2. Tap/click as quickly as you can.
  3. Repeat a few rounds—your average is your score.

Tip: run tests when you’re rested, and compare on the same device.

Related tests

Sequence memory

Train pattern recall under pressure.

Start sequence memory

Number memory

Push your short-term memory capacity.

Start number memory