Plans & Pricing

Our subscriptions allow you to conduct as many studies as you need so you can benchmark, test concepts and iterate to your heart's content. By keeping our plans unlimited you won't be penalized for learning as you go.



Tree testing for
IA refinement


Card sorting for
IA development


Click testing for first
impression analysis

The Suite for UX professionals

Annual Subscription to OptimalSort, Treejack and Chalkmark $3,924/year $1,990/year Buy Now
*All prices are per user and in US dollars

All paid plans include

Unlimited studies
Unlimited tasks or cards
Unlimited questionnaires
Unlimited participants*
Your own logo & color
Password protect your surveys
Redirect on completion
No Optimal Workshop ads
Preferential support

Want to try before you buy? Check out the Free Plan

As many as you need

Whichever paid subscription you choose, you can create as many surveys as you need. So you can test, iterate, test, iterate, test, iterate!

No hostages

We won't lock you out or hold your data hostage, even after your subscription ends.

Convincing someone else?

Download a one page PDF summary of our tools and plans here.

Request an invoice or quote

We can process your payment online using a credit card, or you can pay by bank transfer or using your PayPal account by requesting an invoice.

Non-profit discount

We offer a 50% discount on annual subscriptions to non-governmental organizations (NGO), and education providers (EDU). Request an invoice if you qualify.

The Free Plan

With the free plan you can:

  • Run small (but big enough to be useful!) usability studies
  • Try all our world leading analysis features on real projects before you buy
  • Access all your studies, even bigger studies you have done on paid plans
  • Unlimited number of studies
  • No time limits
  • Free card sorting: Survey 10 people with 30 cards using OptimalSort
  • Free tree testing: Survey 10 people with 3 tasks using Treejack
  • Free first click tests: Survey 10 people with 3 tasks using Chalkmark

Sign up now for free!

The Enterprise Plan

With the Enterprise Plan you get:

  • Everything from the above OptimalSort, Treejack and Chalkmark plans
  • Multiple admin users
  • Custom Service Agreements including consideration for your own Terms of Business
  • Extended Non-disclosure and Indemnity Agreements
  • A customized training session via video conference to get you and your team productive right away

Pricing for Enterprise Plans starts at $20,000 per year. To discuss the requirements of your enterprise please send an email to: Please note that Enterprise Plan only features are not available for other plans.


Sign up now for free, without a credit card