High-quality human data for AI training, evaluation, and research
#1Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. CrowdSnap records 895 monthly visits with -15.7% growth and Freemium, Contact for Pricing pricing.
AI-powered consumer research with blockchain-verified respondents
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | appen.com | crowdsnap.ai |
| Pricing Model | Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 665.84K (665,840) | 895 (895) |
| MoM Traffic Delta |
| +1.1K (+0.2%) |
| -166 (-15.7%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 238.31K | 349 |
|---|
| User Rating | 4.4 | 3.8 |
|---|
| Supported Platforms | Website | Website |
|---|

Human-validated training data and evaluation services for frontier AI models
Chain-of-thought reasoning traces, SME-level RLHF, supervised fine-tuning demonstrations and adversarial red teaming for the most capable models.
Golden trajectories, RL environment design, failure-mode taxonomies and software-engineering-driven deep evaluation for autonomous agents.
Multilingual ASR and conversational speech data, expressive TTS annotation, vision-language model training data, video action labelling and voice-agent evaluation.
LiDAR point-cloud labeling, multi-camera sensor fusion, robot demonstration trajectories, world-model rollouts and embodied interaction logs.
AI-powered consumer research with blockchain-verified respondents
Draft and script questionnaires quickly with AI assistance, then field them through data collection forms built into the platform.
AI-driven fake and spam detection filters out low-quality or automated responses so analysis rests on genuine input.
A blockchain-anchored verification step designed to confirm each respondent is a real person rather than a bot or duplicate.
Automated data gathering, analysis and customizable dashboards produce management-ready reports without manual spreadsheet work.
High-quality human data for AI training, evaluation, and research
#1
Targeted research audiences with AI-verified data quality

Blends custom software with dedicated human expert teams to handle complex operations, but operates as a bespoke service.


Combines robust data labeling tools with automated workflows, but focuses more on software tooling than managed human workforces.
Provides enterprise-grade AI training data and model evaluation at massive scale, but often with higher enterprise pricing.

Delivers advanced multimodal data curation and annotation infrastructure, but requires your own annotation workforce for labeling tasks.
Privacy-first AI surveys with end-to-end encrypted responses

Turn customer voices into confident decisions

Verified B2B and healthcare respondents for high-quality research

SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams
Offers pre-packaged AI training datasets and custom data collection services, but with a smaller global crowd than Appen.
Targeted research audiences with AI-verified data quality
Blends custom software with dedicated human expert teams to handle complex operations, but operates as a bespoke service.
Combines robust data labeling tools with automated workflows, but focuses more on software tooling than managed human workforces.
Provides enterprise-grade AI training data and model evaluation at massive scale, but often with higher enterprise pricing.
Delivers advanced multimodal data curation and annotation infrastructure, but requires your own annotation workforce for labeling tasks.
Privacy-first AI surveys with end-to-end encrypted responses
SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams
Offers pre-packaged AI training datasets and custom data collection services, but with a smaller global crowd than Appen.