This project is scheduled for launch
Launch date: Tuesday, June 30, 2026 at 08:00 AM UTC

Bulker lets you do user research with ease. Just ask a question, and our personas modelled after your users give you insights in minutes.
Bulker is an AI-powered user research platform that replaces traditional participant recruitment with simulated interviews. Instead of spending weeks recruiting and scheduling human participants, you type a research question and receive synthesized insights from 20 AI personas in minutes. Each persona is grounded in real demographic data from sources like the World Bank and United Nations, then independently interviewed by a dedicated AI interviewer. The result is a detailed report with key themes, quotes, demographic breakdowns, and fact-check verification — all without ever talking to a human subject.
Bulker constructs 20 AI-simulated panel members using demographic stratification based on census indicators, population pyramids, and web search data. Each persona is assigned age, gender, income, urbanization level, education, and worldview — then selected through a diversity-aware process that balances OCEAN personality traits and typicality scores.
Every AI persona is interviewed simultaneously by a dedicated AI interviewer in a native-language dialogue. This means you can ask follow-up questions to all personas at once, or open a private chat with any single persona to explore their perspective in depth. Responses are categorized and visualized with interactive charts in real time.
Each research session produces a comprehensive report that synthesizes key themes across all interviews, highlights standout or surprising insights, and includes direct persona quotes supporting each finding. Claims are automatically verified against linked sources, with flagged items marked as inaccurate or unverifiable. You also get demographic breakdowns showing how opinions differ by age, location, occupation, and worldview.
You can inspect exactly how your panel was constructed — from data grounding and stratification to allocation algorithms and diversity constraints. The methodology page details the entire pipeline: real-world data grounding, largest-remainder allocation, verbalized sampling with OCEAN candidates, and real-time fact verification.
"No recruiting, no scheduling, no waiting — instant qualitative research the moment you need it."
Bulker eliminates the most painful parts of traditional user research: recruitment, scheduling, and analysis. A standard interview running 20 personas across 10 questions costs $15 — about 7× cheaper than comparable services like Pollfish. The platform has been benchmarked against real human survey data, achieving 80% alignment to reference and 80% top-choice match, suggesting the simulated personas produce results that closely mirror actual human responses for general U.S. audiences.
You need fast, affordable qualitative insights for product discovery, market sentiment analysis, UX feedback, content testing, brand perception studies, or demographic-specific research — and you're comfortable with AI-simulated participants as a complement or alternative to traditional human studies.
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Comments will be available once the project is launched.
Maker
Tomasz Mikolajewski
Project Info
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