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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.
| Feature | Treejack | This site |
|---|---|---|
| Tree test tasks | Yes | Yes |
| Directness metric | Yes | Yes |
| Pietree viz | Yes | No |
| Account required | Yes | No |
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.