Skip to main content

Built by makers, shipped in public

Sign in

ReactionTests vs Xplosole

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ReactionTests compared with Xplosole
DetailReactionTests logo ReactionTestsXplosole logo Xplosole
What it doesTest your visual reaction time for free Free PDF, image and text tools, calculators and AI writing tools — all free, no signup.
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFree Free
PricingNot given All tools are free with no usage limits, no premium tiers, and no credit card required.
Key features
  • 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
Not given
What makes it different
  • 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
  • All tools run in your browser with no signup or file uploads to servers
  • Instant processing with no server round-trip for browser tools
  • Completely free with no hidden fees, premium tiers or credit card required
  • Works offline after initial use and on any device
  • Privacy-first approach with AI tools never storing or training on user data
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last check4 no change since last check
Trust Flow (Majestic)06
Citation Flow (Majestic)1122
Referring domains (Majestic)16

3 details filled in for both companies.

More alternatives to ReactionTests More alternatives to Xplosole

Ask us