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Prolific vs RUXAILAB

Both stand on usability testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Prolific

Free plan APIWeb

Choose Prolific if your team needs participant recruitment for research or AI data tasks, with flexible targeting and tool connections. Look elsewhere if your studies require child participants or if account top-ups and user management must be handled through the API.

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RUXAILAB

Free plan Self-hostedWeb

Choose RUXAILAB if you need an open-source platform for remote UX research, with multiple study methods and self-hosted or cloud deployment. Its core platform is free, while deployment help, premium support, and institutional membership are paid options with terms available by contacting the maker.

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The facts

ProlificRUXAILAB
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, WebSelf-hosted, Web
Lowest paid planFree or on requestFree or on request
Plans published43
MakerNot publishedNot published
Websiteprolific.comruxailab.com
On usability testing software#11 of 52#15 of 52

Prolific: what it does well

  • 300+ audience filters support targeted recruitment.
  • Supports representative and quota samples plus custom screening.
  • Studies can connect by URL or through the API.
  • The pay-as-you-go platform has unlimited users.
  • Protocol runs 40+ participant identity and behavior checks.

What to know first

  • The pay-as-you-go platform charges rewards plus a platform fee.
  • API account top-ups and user management require the web app.
  • Participants must be at least 18; studies cannot include children.

RUXAILAB: what it does well

  • Open-source core platform costs nothing.
  • Supports remote evaluations, focus groups, walkthroughs, and card sorting.
  • Offers moderated sessions and AI-based online testing methods.
  • Supports adaptive interfaces and WCAG compliance.
  • Can be self-hosted or deployed in the cloud.

What to know first

  • Some modules may use licenses other than MIT.
  • Deployment assistance, premium support, and advanced customization are paid services.
  • Premium Support and Consortium membership terms require contacting the maker.

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