Lab / Compare

Free card sorting tool for UX research

Card sorting is one of the fastest ways to learn how people group concepts. It is also one of the first methods gated behind SaaS pricing if you only need eight participants and a CSV.

This tool implements open and closed sorts with tap-to-place on mobile and drag on desktop. The entire study lives in the link you share.

FeatureOptimalSort, UserZoom, Maze, and similarThis site
Open sortYesYes
Closed sortYesYes
Mobile participantsVariesYes (tap-to-place)
Cluster analysisYesNo
CostPaid plansFree

Where Commercial card sort tools wins

  • Automated similarity matrices and cluster visualisations
  • Integrated recruitment and longitudinal study tracking
  • Team workspaces and template libraries

Where this free tool wins

  • Instant start, no login wall
  • Open sort (participants name groups) and closed sort (fixed categories)
  • Touch-friendly for mobile participants
  • Results export as CSV or JSON locally

What this tool does not do

  • No similarity matrix or dendrogram generation
  • No built-in participant reminders or scheduling
  • You aggregate multiple CSVs manually

Choose Commercial card sort tools if

Researchers who need defensible quantitative cluster analysis or run card sorts monthly at scale.

Choose this free tool if

Anyone running a quick sort this week to settle a nav argument before design starts.