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 participant (indicative, pay-as-you-go)
PaidFrom $45 per participant (indicative, general population)
PaidWhat drives the bill
The metric that actually scales your invoice.
Pay-per-session pricing is unusual in this category and suits intermittent research.
Per-participant recruiting fee plus the incentive you choose. Specialist B2B professionals cost considerably more.
Free tier
Free trial with a small number of sessions.
Free to manage your own participants; recruitment is pay-per-participant.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
Userlytics · since 2009
Widely used
User Interviews · since 2015
Strengths
Limitations
Best for
Teams that research a few times a quarter and cannot justify an annual platform contract.
Teams whose research is blocked on finding and paying the right participants.
All of these integrate with: Slack.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.