Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
From $6 per participant (indicative, plus platform fee)
PaidQuote on request
Quote onlyWhat drives the bill
The metric that actually scales your invoice.
You set the incentive with a fair-pay minimum, plus a percentage service fee. Far cheaper than moderated-research platforms.
Annual contracts, historically in the tens of thousands. Priced by seats and study volume, not per session.
Free tier
No subscription; pay per participant.
No free tier; demo and trial on request.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
Prolific · since 2014
Category standard
UserTesting (Thoma Bravo) · since 2007
Strengths
Limitations
Best for
Survey-based and quantitative studies where data quality matters and budget is limited.
Enterprises running continuous research with dedicated researchers.
All of these integrate with: Qualtrics.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.