| What it does | Free online tools and music practice toys for your screen
| Test your visual reaction time for free
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| Stage | Not given
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| Founded | Not given
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| Based in | IN
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Flip clock with ten different styles including airport board, retro game screen, and sky that changes through the day
- Timer and stopwatch with multiple display styles like hourglass, candle and firework
- Typing sounds that transform keyboard into typewriter, rain, or piano sounds
- Cursor trails with sparkles, petals, confetti and comet effects
- Focus garden timer that grows a plant while you work
- Music Practice Lab with harmonium, tanpura, tuners, metronome and ear training
- Name song tool that converts your name into a shareable tune
| - Five-round visual reaction test with millisecond timing
- Seven-round sound reaction time test
- Local result history with up to 300 sessions stored
- Consistency measurement showing standard deviation of scores
- Download score card as image
- Sound calibration for personal offset adjustment
- Reference data from published research studies
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| What makes it different | - All tools are completely free with no sign up, download, or account required
- Thoughtfully designed tools that make screens feel friendlier and more joyful
- Run directly in browser with no installation needed
- New toys released regularly every couple of weeks
- Designed to be joyful and unobtrusive, never asking for attention or data
| - No account or login required to use the test
- Results stored locally in browser for privacy
- Compare full sessions to understand consistency, not just fastest round
- Research-backed reference data from laboratory studies
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 17 | 11 |
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| Referring domains (Majestic) | 2 | 1 |
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Prakash Collective
ReactionTests