Prolific records 18,697,671 monthly visits with -1.8% month-over-month growth and Paid pricing. SPSSAU records 485 monthly visits with -82% growth and Freemium, Free Trial, Paid pricing.
High-quality human data for AI training, evaluation, and research
Drag-and-click statistics in the browser, with AI-written interpretations
| Dimension / Metric | | |
|---|---|---|
| Official Domain | prolific.com | spssau.net |
| Pricing Model | Paid | Freemium, Free Trial, Paid |
| Monthly Visits | 18.7M (18,697,671) | 485 (485) |
| MoM Traffic Delta | -352.04K (-1.8%) | -2.21K (-82%) |
| Primary Market & Share | 🇺🇸 United States (48.8%) | 🇺🇸 United States (82.4%) |
| Direct Visits / mo | 12.98M | 199 |
| User Rating | 4.6 | 4.4 |
| Supported Platforms | Website | Website |
High-quality human data for AI training, evaluation, and research
Filter participants by detailed demographic, professional, and behavioural criteria and reach narrow or representative samples rather than a generic crowd.
Collect human preference data for model fine-tuning, run safety evaluations and red-teaming, and use a feedback API to plug humans into automated pipelines.
Attention checks, honesty screening, and approval workflows help filter out careless or fraudulent responses before you analyse results.
Publish a study and begin collecting responses quickly, with tooling that supports screening, quotas, and longitudinal designs.
Drag-and-click statistics in the browser, with AI-written interpretations
Covers ANOVA, regression, t-tests, correlation, chi-square, factor and cluster analysis and more, all reachable from one entry point — you can type an abbreviation to jump to a method.
Drag in an Excel, SPSS or Stata file, drag the variables you need into the analysis slot, and click Start to get tables and a written report.
AI-generated interpretations explain what the output means in plain language rather than leaving you with raw statistics to decode.
Results come out in the tabular and graphical conventions expected in academic reporting, with a visualisation module offering 14 chart types such as scatter, box and error-bar plots.
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
AI-powered financial reporting, dashboards and forecasting for accountants and finance teams
AI-powered financial reporting, dashboards and forecasting for accountants and finance teams
SpecialistThe environments frontier AI trains on, and the agents that do the recurring work
SpecialistThe environments frontier AI trains on, and the agents that do the recurring work
Enterprise-grade data annotation and AI alignment workforce, but less self-serve for academic study recruitment and casual surveys.
Chat with your data to get analysis, charts, reports, and slides
Chat with your data to get analysis, charts, reports, and slides
SpecialistAI data infrastructure for building production-grade models
SpecialistAI data infrastructure for building production-grade models
SpecialistSpecializes in video-based consumer interviews and AI qualitative analysis, but less focused on quantitative academic survey panels.
SpecialistSpecializes in video-based consumer interviews and AI qualitative analysis, but less focused on quantitative academic survey panels.
SpecialistSources verified B2B professionals and healthcare experts for specialized research, but lacks broad general-population academic panels.
SpecialistSources verified B2B professionals and healthcare experts for specialized research, but lacks broad general-population academic panels.
Chat your way through spreadsheets, reports, and slides
Chat your way through spreadsheets, reports, and slides
Free / Open-sourceOpen-source data labeling and evaluation platform for AI workflows, but requires bringing your own annotation workforce.
Free / Open-sourceOpen-source data labeling and evaluation platform for AI workflows, but requires bringing your own annotation workforce.
Turn messy data into beautiful, story-ready charts with AI
AI data analytics for the spreadsheets you already have
AI data analytics for the spreadsheets you already have
