Expert in
PC Health Solution
All-in-one PC health solution: clean, optimize and secure
Comprehensive PC cleaning, optimization and protection
Keep drivers always up-to-date
More stable performance with less system crashes
Protect millions of computers against malware
Top computer security with full-round protection
Protect against viruses & boost PC performance
Easily removing unwanted programs & leftovers
Automatically keep your software up-to-date
Quickly check system information and PC specs
Never worry about data theft or privacy leaks
Maximize hard drive optimization for faster PC
Enjoy a Faster and More Secure Mac
IObit Reaction Time Test - Test Your Reaction Speed Now
Test your reaction speed with our free online Reaction Time Test. Click as soon as the color changes and measure your response time in milliseconds. Fast, accurate, and easy to use on desktop and mobile.
About the test
Most users have an average reaction time between 220ms and 300ms, based on the data collected so far.
In addition to measuring your reaction time, this test is affected by the latency of your computer and monitor. Using a fast computer and low latency / high framerate monitor will improve your score.Improve PC performance now.
Automatic driver updater
Game boost mode supported
One-click fix system errors
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