Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. SuppCo records 207,874 monthly visits with -21.9% growth and Freemium pricing.
Human-validated training data and evaluation services for frontier AI models
A supplement tracker and optimizer that scores product quality and your whole stack
| Dimension / Metric | | |
|---|---|---|
| Official Domain | appen.com | supp.co |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 665.84K (665,840) | 207.87K (207,874) |
| MoM Traffic Delta | +1.1K (+0.2%) | -58.3K (-21.9%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🇺🇸 United States (77.6%) |
| Direct Visits / mo | 238.31K | 66.27K |
| User Rating | 4.4 | 4.1 |
| 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.
A supplement tracker and optimizer that scores product quality and your whole stack
Scan or search products to see a quality rating built from 29 attributes covering manufacturing standards, testing benchmarks and inactive ingredients.
Get a StackScore for your routine along with nutrient-level coverage, dosing feedback and gap analysis against your health goals.
Follow regimens designed by clinicians and functional-medicine experts for goals like longevity, gut health, fitness, weight management and fertility.
Smart scheduling, reminders and daily intake logging so you actually stick to your supplement routine.
SpecialistConnects teams directly with verified human participants for preference tuning and studies, but lacks managed end-to-end labeling pipelines.
SpecialistConnects teams directly with verified human participants for preference tuning and studies, but lacks managed end-to-end labeling pipelines.
Blends custom software with dedicated human expert teams to handle complex operations, but operates as a bespoke service.
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.
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.
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.
Delivers advanced multimodal data curation and annotation infrastructure, but requires your own annotation workforce for labeling tasks.
SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams
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.
Offers pre-packaged AI training datasets and custom data collection services, but with a smaller global crowd than Appen.
Free / Open-sourceProvides a flexible open-source annotation platform for self-hosting, but lacks Appen's managed enterprise human workforce services.
Free / Open-sourceProvides a flexible open-source annotation platform for self-hosting, but lacks Appen's managed enterprise human workforce services.
Builds personalized wellness plans from DNA and biometrics, but focuses less on dedicated supplement stack optimization.
SpecialistPairs biomarker testing with wellness plans, but does not provide specific supplement quality ratings or stack dosing.
SpecialistPairs biomarker testing with wellness plans, but does not provide specific supplement quality ratings or stack dosing.
Supplies expert human annotators for specialized training and evaluation datasets, but operates at a smaller scale.
Supplies expert human annotators for specialized training and evaluation datasets, but operates at a smaller scale.
