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Prolific vs Respondent.io vs User Interviews

Pick two or three companies and see their pay, payout methods, who they hire and how to get in, side by side. Pay comes from live job listings on aitrainer.jobs when we have them, otherwise from the company's own pages.

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Prolific logoProlific
Respondent.io logoRespondent.io
User Interviews logoUser Interviews
Open jobs25 open jobs66 open jobsNone on our site right now
Paystudies must pay at least $8/hr (£6); recommended $12/hr (£9) (published by the company)$150–$200/hr, median $150/hr (from 7 listings)set per study, e.g. $10 for a 10-minute survey; interviews often $50–$150/hr (reported by workers and review sites)
PayoutPayPal (on demand (cash out once every 24h) · min $6 / £6)Gift cards, Tremendous virtual Visa (7–10 business days after each study)Gift cards, Tremendous virtual Visa (within 10 business days)
Who can join52 countries — 52 supported countries based on where you live; 18+Worldwide — Studies can run worldwide; 20 primary markets incl. US, UK, Canada, India34 countries — Studies open in 34 countries across the Americas, Europe and Asia-Pacific
Type of workWriting & AI rating, Paid studies, Data labelingMedicine & health, Paid studiesPaid studies
How you get in
  1. Join the waitlist with email, DOB, country and gender
  2. Wait for an invite email
  3. Verify a mobile number from your country (no VoIP)
  4. ID verification via Onfido + link PayPal in your name
  5. Complete profile 'About You' questions, then take studies
  1. Sign up as a participant (free)
  2. Complete profile: job title, industries, skills, demographics
  3. Verify profile with a work email and social/LinkedIn link
  4. Add an optional ~30-second video intro
  5. Apply to studies via unpaid screeners
  1. Create a participant profile (job title, location, demographics)
  2. Verify phone; optionally connect social accounts
  3. Browse studies and answer each study's screener
  4. Researcher selects you; schedule the session
  5. Attend the session; get paid via Tremendous gift card
AssessmentNo skills test. Gatekeeping is the waitlist plus phone, photo ID and PayPal checks; in studies, attention checks matter for approval rate.No platform test. Each study has an unpaid screener of ~2-20 questions; some partners add a second off-site screener.No test: unpaid screener questionnaires per study; some are long. Researchers pick by demographics and answers.
Sign up at Prolific →Sign up at Respondent.io →Sign up at User Interviews →

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