SpecialistConnects teams directly with verified human participants for preference tuning and studies, but lacks managed end-to-end labeling pipelines.

Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. findable. records 25,378 monthly visits with -42.2% growth and Free Trial, Paid pricing.

LLM SEO toolkit to win visibility in AI search
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | appen.com | findableapp.com |
| Pricing Model | Contact for Pricing | Free Trial, Paid |
| Monthly Visits | 665.84K (665,840) | 25.38K (25,378) |
| MoM Traffic Delta |
| +1.1K (+0.2%) |
| -18.56K (-42.2%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 238.31K | 10.1K |
|---|
| 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.

LLM SEO toolkit to win visibility in AI search
Runs prompt sets across ChatGPT, Google AI Mode, Gemini, Claude, Perplexity and others to track mentions, citations and sentiment over time.
Shows which search, AI and social crawlers can reach a site and flags rules blocking ChatGPT, Claude or Perplexity.
Turns gaps into briefs, outlines and keyword guidance, with content-gap and E-E-A-T scoring.
Manages many client domains in one place, with competitor score comparisons for pitches.
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.


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.
AI visibility platform to get your brand cited in AI search

SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams

AI SEO agents that rank on Google and get cited by AI chatbots
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.


Track and improve how AI search engines mention your brand
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.
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.
AI visibility platform to get your brand cited in AI search
SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams
AI SEO agents that rank on Google and get cited by AI chatbots
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.
Track and improve how AI search engines mention your brand