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Treejack alternative (free tree testing)

Treejack set the standard for unmoderated tree testing. If you need pietrees and cohort dashboards for forty participants, stay on Treejack.

If you need to know whether people can find Cancel subscription in your proposed nav before Friday's design review, this free tool is enough.

FeatureTreejackThis site
Tree test tasksYesYes
Directness metricYesYes
Pietree vizYesNo
Account requiredYesNo

Where Optimal Workshop wins

  • Pietree diagrams and first-click analysis
  • Participant management and study duplication across projects
  • Reporting views designed for stakeholder decks

Where this free tool wins

  • Hierarchy from plain text outline
  • Directness scoring and full path logging
  • 'I'd stop here' on any node (realistic behaviour)
  • Zero backend: privacy-friendly for sensitive IA drafts

What this tool does not do

  • No pietree visualisation
  • No automated wrong-path aggregation across users

Choose Optimal Workshop if

Consultancies delivering tree test reports to clients who expect OW-standard deliverables.

Choose this free tool if

In-house designers validating structure early, or anyone teaching IA methods without platform budget.