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QRThis vs ReactionTests

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

QRThis compared with ReactionTests
DetailQRThis logo QRThisReactionTests logo ReactionTests
What it doesFree QR code generator with editable dynamic QR codes you can update after printing Test your visual reaction time for free
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Free
PricingFree: unlimited static QR codes, custom colors and sizes, PNG and SVG downloads, free API (100 requests per IP per day), 1 dynamic QR code. Pro Lifetime: $29 one-time for unlimited dynamic QR codes, edit destinations anytime, scan tracking, priority support. Not given
Key features
  • Customizable colors, sizes (256, 512, 1024px), and logo upload
  • Download QR codes as PNG or SVG
  • Scan tracking with date, time, and country data
  • Public API with 100 requests per IP per day
  • Instant updates without reprinting
  • Commercial usage with no license or attribution required
  • 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
What makes it different
  • Change where a QR code points after printing without creating a new code
  • No signup required for static QR code generation
  • One-time $29 lifetime purchase instead of a subscription
  • Privacy-focused scan tracking without IP storage or device tracking
  • Free public API with no authentication required
  • 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
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)8 −1 (down) since last check3 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1411
Referring domains (Majestic)51

4 details filled in for both companies.

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