CalPulse records 164 monthly visits with -72.7% month-over-month growth and Paid pricing. Prolific records 18,697,671 monthly visits with -1.8% growth and Paid pricing.
Snap any menu or meal, get instant calories and macros
High-quality human data for AI training, evaluation, and research
| Dimension / Metric | | |
|---|---|---|
| Official Domain | calpulse.ai | prolific.com |
| Pricing Model | Paid | Paid |
| Monthly Visits | 164 (164) | 18.7M (18,697,671) |
| MoM Traffic Delta | -436 (-72.7%) | -352.04K (-1.8%) |
| Primary Market & Share | 🇮🇶 Iraq (100%) | 🇺🇸 United States (48.8%) |
| Direct Visits / mo | 63 | 12.98M |
| User Rating | 3.8 | 4.6 |
| Supported Platforms | Website | Website |
Snap any menu or meal, get instant calories and macros
Photograph a restaurant menu or your plate and let AI image recognition identify dishes and estimate calories and macros instantly.
Automatic logging of protein, carbohydrates, fat and total calories so you do not have to enter foods manually.
Suggestions for healthier menu choices and diet adjustments based on your stated goals and eating patterns.
Visual tracking of intake, weight, hydration and weekly goal achievement to show trends over time.
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.
SpecialistAI-led customer interviews and research insights at scale
SpecialistAI-led customer interviews and research insights at scale
SpecialistConnects AI labs with domain experts for data collection, but lacks a self-service marketplace for bulk academic study participants.
SpecialistConnects AI labs with domain experts for data collection, but lacks a self-service marketplace for bulk academic study participants.
SpecialistRuns automated user interviews and usability tests with real or synthetic personas, but lacks a massive human participant pool.
SpecialistRuns automated user interviews and usability tests with real or synthetic personas, but lacks a massive human participant pool.
SpecialistAI agents that speed up market research delivery
Free / Open-sourceSnap a photo, get calories and macro estimates in seconds
Free / Open-sourceSnap a photo, get calories and macro estimates in seconds
