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 $49 per user/month (indicative)
Free tierFrom $6 per participant (indicative, plus platform fee)
PaidWhat drives the bill
The metric that actually scales your invoice.
Recruitment from external panels is billed on top of the subscription.
You set the incentive with a fair-pay minimum, plus a percentage service fee. Far cheaper than moderated-research platforms.
Free tier
Free plan with limited studies.
No subscription; pay per participant.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Emerging
Great Question · since 2020
Widely used
Prolific · since 2014
Strengths
Limitations
Best for
Research-ops teams consolidating a fragmented toolchain.
Survey-based and quantitative studies where data quality matters and budget is limited.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.