Prolific records 18,697,671 monthly visits with -1.8% month-over-month growth and Paid pricing. ValueSense records 8,984 monthly visits with -25.4% growth and Freemium pricing.
High-quality human data for AI training, evaluation, and research
Hedge-fund-style valuation and AI stock analysis for everyday investors
| Dimension / Metric | | |
|---|---|---|
| Official Domain | prolific.com | valuesense.io |
| Pricing Model | Paid | Freemium |
| Monthly Visits | 18.7M (18,697,671) | 8.98K (8,984) |
| MoM Traffic Delta | -352.04K (-1.8%) | -3.05K (-25.4%) |
| Primary Market & Share | 🇺🇸 United States (48.8%) | 🇺🇸 United States (36.1%) |
| Direct Visits / mo | 12.98M | 3.65K |
| User Rating | 4.6 | 4.2 |
| 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.
Hedge-fund-style valuation and AI stock analysis for everyday investors
Work with reverse DCF, DCF, Peter Lynch fair value and earnings power value to estimate what a stock is really worth before buying.
Filter the market with AI-driven presets and custom filters, and backtest screens to see how they would have performed.
Browse 360+ automated stock ideas across categories like moat stocks, quality grower and undervalued names, refreshed regularly.
Track super-investor portfolios and insider buying and selling to see where informed money is moving.
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.
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.
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.
AI investing copilot for stock research, screening and market signals
AI investing copilot for stock research, screening and market signals
SpecialistAI-driven stock scores that rank every pickable stock by probability of beating the market
SpecialistAI-driven stock scores that rank every pickable stock by probability of beating the market
SpecialistAI-driven market analysis for faster, data-backed investing decisions
SpecialistAI-driven market analysis for faster, data-backed investing decisions
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.
SpecialistOptions flow, dark pools and dealer gamma with an AI analyst built in
SpecialistOptions flow, dark pools and dealer gamma with an AI analyst built in
SpecialistAI financial advisor that puts sophisticated portfolio tools in your own hands
SpecialistAI financial advisor that puts sophisticated portfolio tools in your own hands
