Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Card Sorting Software

Free Card Sort vs SORTREE

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Free Card Sort #3 in Card Sorting Software 7.9/10 Free plan Free plan✓ 4 of 4 features Visit Free Card Sort
SORTREE #5 in Card Sorting Software 7.7/10 Free plan Free plan✓ 4 of 4 features Visit SORTREE

Free Card Sort leads on 0 checks, SORTREE on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFree Card Sort · 7.9/10
  • Free planboth

Free Card Sort scores higher on our rubric for card sorting software: 7.9 against 7.7 out of 10; our editors rank them #3 and #5.

Free Card Sort is the better fit for budget-conscious UX researchers needing full sort analysis. SORTREE is the better fit for small teams running varied UX research studies.

  • Free Card Sort fits best

    Budget-conscious UX researchers needing full sort analysis

  • SORTREE fits best

    Small teams running varied UX research studies

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Free Card Sort 7.9/10 Visit ↗ SORTREE 7.7/10 Visit ↗
At a glance
Editor score 7.9 7.7
Ranking #3 in Card Sorting Software #5 in Card Sorting Software
Best for Budget-conscious UX researchers needing full sort analysis Small teams running varied UX research studies
Pricing model Free plan + paid Free plan + paid
Starting price — €390/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Browser extension Cloud
Platforms Web Web
Support Email · 24/7 Email, Docs
Compliance GDPR GDPR
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market
Features Free Card Sort 4/4 · SORTREE 4/4
Open card sorts ✓ ✓
Closed card sorts ✓ ✓
Hybrid card sorts ✓ ✓
Remote participant mode ✓ ✓
Specs
Participant limit Not checked yet 1000 participants
Card limit Not checked yet Not checked yet
Analysis features Advanced Advanced
Our review
Pros
  • Open, closed, and hybrid card sorts with shareable study links
  • Free studies allow unlimited responses from your own link
  • Similarity matrices, dendrograms, AI insights, and CSV exports
  • Combines open, closed and hybrid card sorting with tree testing
  • Advanced dashboards include similarity matrices and category-frequency analysis
  • Participant links work without requiring participant sign-up
Cons
  • Free analytics cover only the first 3 respondents
  • Pro recruitment is limited to 10 recruited responses per month
  • Support is provided through email, despite 24/7 availability
  • Private beta status means paid plans are planned after launch
  • Pro limits responses to 1,000 per month
  • Web-only cloud deployment with email and documentation support
Our verdict

Free Card Sort is ValidateThat’s web-based card-sorting product for UX researchers, designers, product managers, content strategists, and students. It supports open, closed, and hybrid studies that participants can complete from a shared…

Read the review →

SORTREE is a web-based UX research platform for researchers, product teams, agencies, students and educators. It combines open, closed and hybrid card sorting with tree testing, first-click tests and five-second tests. Studies can be…

Read the review →
  1. Free Card SortCard Sorting Software 7.9Free plan
  2. SORTREECard Sorting Software 7.7Free plan

Strengths and trade-offs

  • Free Card Sort — where it wins

    • Open, closed, and hybrid card sorts with shareable study links
    • Free studies allow unlimited responses from your own link
    • Similarity matrices, dendrograms, AI insights, and CSV exports

    Where it doesn't

    • Free analytics cover only the first 3 respondents
    • Pro recruitment is limited to 10 recruited responses per month
    • Support is provided through email, despite 24/7 availability

  • SORTREE — where it wins

    • Combines open, closed and hybrid card sorting with tree testing
    • Advanced dashboards include similarity matrices and category-frequency analysis
    • Participant links work without requiring participant sign-up

    Where it doesn't

    • Private beta status means paid plans are planned after launch
    • Pro limits responses to 1,000 per month
    • Web-only cloud deployment with email and documentation support

More comparisons

All card sorting software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update