Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. FaceSearch records 167,598 monthly visits with +66.6% growth and Freemium pricing.
Human-validated training data and evaluation services for frontier AI models
Upload one photo and find where that face appears across social media and the web
| Dimension / Metric | | |
|---|---|---|
| Official Domain | appen.com | facesearch.net |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 665.84K (665,840) | 167.6K (167,598) |
| MoM Traffic Delta | +1.1K (+0.2%) | +67.02K (+66.6%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🇺🇸 United States (9.3%) |
| Direct Visits / mo | 238.31K | 43.24K |
| User Rating | 4.4 | 3.7 |
| 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.
Upload one photo and find where that face appears across social media and the web
Search across social profiles, dating sites and general web pages to locate where a given face has appeared publicly.
Uploaded images are screened before a search runs, so low-quality or faceless photos don't burn your search credits.
Turn a completed search into a professional report with matches, confidence scores and source links for documentation or legal use.
PRO users can revisit and re-download past search results, keeping a record of everything they have checked.
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.
Offers broader reverse image and face matching capabilities across the web, but focuses more heavily on general visual search.
Offers broader reverse image and face matching capabilities across the web, but focuses more heavily on general visual search.
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.
Provides a similar direct reverse face lookup utility, though index coverage and result accuracy may vary.
Provides a similar direct reverse face lookup utility, though index coverage and result accuracy may vary.
Specializes more strictly in tracking down public social media profiles from photos, with a clean user interface.
Specializes more strictly in tracking down public social media profiles from photos, with a clean user interface.
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
Scans public web pages for matching faces similarly, but includes additional built-in privacy guardrails and photo removal.
Scans public web pages for matching faces similarly, but includes additional built-in privacy guardrails and photo removal.
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.
