
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.
CADdillo records 1,120 monthly visits with -33% month-over-month growth and Freemium pricing. Prolific records 18,697,671 monthly visits with -1.8% growth and Paid pricing.

Browser CAD with an AI that draws real floor plans from a sentence
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | caddillo.com | prolific.com |
| Pricing Model | Freemium | Paid |
| Monthly Visits | 1.12K (1,120) | 18.7M (18,697,671) |
| MoM Traffic Delta | -551 (-33%) | -352.04K (-1.8%) |
| Primary Market & Share | 🇵🇭 Philippines (100%) | 🇺🇸 United States (48.8%) |
| Direct Visits / mo | 419 | 12.98M |
| User Rating | 4.1 | 4.6 |
| Supported Platforms | Website | Website |

Browser CAD with an AI that draws real floor plans from a sentence
Describe a building in plain language and receive an editable plan with walls, openings, door swings, fixtures, furniture, room labels with areas, and dimension strings on named CAD layers.
A full 2D drafting toolset plus DWG (r11–r2018) and DXF conversion to PDF, DXF, PNG or SVG — no install, no watermark, no file limit.
Residential, commercial, industrial and MEP libraries included at every tier, from ADA restrooms and NSF kitchen sinks to tanks, conveyors and rack bays.
Plumbing, conduit, HVAC duct and sprinkler runs drawn to size with real wall thickness and correctly oriented elbows, tees and crosses in four systems.
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.

Turn floor plans and photos into editable 3D home designs with AI

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.

AI interior design, floor plans and 3D models for every home project
AI interior design, floor plans and 3D models for every home project

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.

Turn photos and sketches into photorealistic interior, exterior and landscape renders
Turn photos and sketches into photorealistic interior, exterior and landscape renders
Instant AI floor plans, room redesigns and flooring visuals
Instant AI floor plans, room redesigns and flooring visuals

SpecialistAI-led customer interviews and research insights at scale
SpecialistAI-led customer interviews and research insights at scale