Alternatives
Products that do what Reaction Time Test does
Take the reaction time test and find out your speed.
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Test your reflexes free — 5 rounds, instant score
Jul 2026 · onetaptool.com
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Measure your reaction speed with a simple 5-round test
23d ago · reactiontimetest.fun
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Hello HN, last week, I stumbled over an old project of mine called Click The Number. I built it about six years ago to compare my clicking and reaction speed with that of my friends. The idea is simple – just click on the numbers in orders as fast as possible. I couldn't resist and rebuilt a lot of parts again, making them a bit nicer. I updated the design and added some features like a personal high score. It lets you keep track of your own best time (which makes it ever so _slightly_ more addictive). I'm curious what you think about it, and if you have any ideas where I could take it. Have…
2022 · projects.marcnitzsche.de
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Measure your reaction, aim, typing, memory — no signup
Jul 2026 · checkreaction.com
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