Our Mission

Know your brain.
Test your limits.

reflexbench is a free suite of cognitive performance tests covering reaction time, memory, attention, speed, and more, with no sign-up required.

Why We Built This

Cognitive performance testing has long been used in research labs and clinical settings. We wanted to make these tests accessible to everyone by providing them in a beautifully designed, free to use, and private format.

reflexbench features 24 tests across categories like reaction speed, working memory, attention, processing speed, and motor skills. Each test is based on established paradigms from cognitive science research.

Our Principles

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Research-based
Every test is modeled on established cognitive science paradigms.
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Privacy-first
All test data stays in your browser. Nothing is sent to our servers.
📊
Sustainable model
Supported by non-intrusive ads to keep resources free for everyone.
🎯
Percentile scoring
Results are scored against population norms so you know where you stand.

What We Test

Our 24 tests span five categories:

  • Speed & Reaction: Reaction Time, F1 Reaction, Processing Speed, Object Tracking, Target Shooter
  • Memory: Working Memory, Sequence Memory, Verbal Memory, Chimp Test, Pattern Memory
  • Attention & Focus: Sustained Attention, Go/No-Go, Stroop Test, Task Switching
  • Motor Skills: Aim Trainer, Typing Speed, Button Mashing, APM Test, WASD Trainer, WASD Dodge
  • Perception & Decision: Color Perception, Blind Timer, Test Your Luck, Iowa Gambling

How Scores Work

Each test compares your performance against population norms derived from cognitive science literature. Your percentile score tells you how you performed relative to the general population. Scores can vary based on factors like sleep, device, time of day, and practice.

Ready to test yourself?
Take any of our 24 free cognitive tests with instant results.
Browse All Tests