The World's Leading Free Reaction Time Testing Platform
Since launching, ReflexTester.fun has become the go-to platform for reaction time testing, trusted by gamers, athletes, researchers, and millions of users worldwide.
To democratize human performance testing by providing free, accurate, and accessible reaction time assessment tools that help people understand and improve their cognitive and physical capabilities.
ReflexTester.fun was born from a simple observation: while reaction time is crucial for gaming performance, sports excellence, and general cognitive health, most testing tools were either expensive, inaccessible, or lacked scientific rigor.
We set out to create something different - a platform that combines scientific accuracy with user-friendly design, making professional-grade reaction time testing available to everyone, everywhere, for free.
Initial development and launch with basic visual reaction time testing. Focus on accuracy and user experience.
Added audio reaction tests, memory sequence challenges, and hand-eye coordination assessments.
Reached 500,000+ completed tests. Recognized by gaming communities and adopted by educational institutions.
Expanding with new test types, improved analytics, and advanced features while maintaining our free-forever commitment.
Our testing methodology is based on peer-reviewed research and validated against laboratory standards, ensuring reliable results you can trust.
No paywalls, no premium features, no hidden costs. We believe everyone deserves access to professional-grade reaction time testing.
Works on any device with a web browser. No downloads, no installations, no barriers - just instant access to comprehensive testing.
Your data stays on your device. We don't collect, store, or sell personal information. Your privacy is completely protected.
Multiple test types including visual, audio, memory, and coordination assessments provide a complete picture of your performance.
Get immediate feedback with detailed statistics, progress tracking, and performance comparisons to help you improve.
Competitive gamers use our platform to train their reflexes and gain a competitive edge in fast-paced games like CS:GO, Valorant, League of Legends, and Fortnite. Our tests help identify areas for improvement and track progress over time.
Sports professionals from tennis players to martial artists use reaction time training as part of their performance optimization. Coaches incorporate our assessments into training programs to measure athlete development.
Teachers use our platform for psychology classes, sports science courses, and STEM education. Students learn about human performance, statistics, and the science behind reaction time through hands-on testing.
Academic researchers studying human performance, aging, cognition, and motor skills rely on our platform for data collection and analysis. Our standardized tests provide consistent, reliable data for scientific studies.
Millions of curious individuals use our tests to understand their cognitive speed, track changes over time, and simply have fun challenging themselves and friends.
ReflexTester.fun is developed and maintained by a dedicated team passionate about human performance and accessible technology.
Striving for the highest quality in every aspect of our platform
Making professional tools available to everyone, everywhere
Continuously improving and expanding our testing capabilities
Building and maintaining user trust through transparency and reliability
We're constantly working to expand and improve ReflexTester.fun. Here's what's coming next:
Our goal is to become the world's most trusted reaction time testing platform, contributing to:
Whether you're a user, researcher, educator, or developer, we'd love to hear from you. Together, we can advance the science of human performance.
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