Bracketwise records 0 monthly visits with 0% month-over-month growth and Freemium, Free pricing. Prolific records 18,697,671 monthly visits with -1.8% growth and Paid pricing.
See your real odds of winning your March Madness bracket pool
High-quality human data for AI training, evaluation, and research
| Dimension / Metric | | |
|---|---|---|
| Official Domain | bracketwise.app | prolific.com |
| Pricing Model | Freemium, Free | Paid |
| Monthly Visits | 0 (0) | 18.7M (18,697,671) |
| MoM Traffic Delta | 0 (0%) | -352.04K (-1.8%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (48.8%) |
| Direct Visits / mo | 0 | 12.98M |
| User Rating | 4.1 | 4.6 |
| Supported Platforms | Website | Website |
See your real odds of winning your March Madness bracket pool
Simulates the remaining tournament many times over to estimate how often your bracket finishes first in your specific pool.
Lines your picks up against each rival entry so you can see exactly where you gain or lose ground.
Highlights the upcoming matchups that most change your odds, so you know which games to actually watch.
Adds probability context to a normal standings table, replacing raw point totals with a realistic picture of your position.
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.
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.
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.
AI football predictions with a fully public, graded track record
AI football predictions with a fully public, graded track record
AI picks, prop tracking, and real analytics — free on iOS, Android, and web
AI picks, prop tracking, and real analytics — free on iOS, Android, and web
AI player prop research for every league
AI player prop research for every league
SpecialistAI-led customer interviews and research insights at scale
SpecialistAI-led customer interviews and research insights at scale
AI sports predictions with the reasoning behind every pick
AI sports predictions with the reasoning behind every pick
