Feng-GUI vs Pupil Core
Feng-GUI
feng-gui.comPupil Core
pupil-labs.comSide by side
| Figure | Feng-GUI | Pupil Core |
|---|---|---|
| Price from | $67/mo | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Plans published | 6 | 1 |
| Spec score · Eye Tracking Software | 8.3 (#3) | 7.7 (#14) |
| Accuracy | Feng-GUI states that MIT benchmarking found results 92% similar to real eye-tracking. | The published specification lists 0.60° accuracy with calibration and 0.02° precision. |
| Integrations | Feng-GUI says its API is used by over 60 partners, including SimilarWeb, SiteTuners, Convert, HouseOfKaizen and email-marketing vendors. | Pupil Labs lists Python, iMotions, Lab Streaming Layer, PsychoPy, MATLAB and Octave among compatible tools; its real-time API streams gaze data and scene video over a local network. |
| Purpose | Feng-GUI is a visual insights platform specializing in predictive eye-tracking and AI-driven attention analysis. | Pupil Core combines a wearable eye-tracking headset with an open-source software suite for eye-tracking research. |
| Support | Support is provided by email at [email protected], with a stated response target of within 2 business days. | Pupil Labs offers community and expert help, including tailored research workflows and training. |
Plans
Feng-GUI
- Basic$99 a month
- Business$67 a month
- Enterprise$199 a month
- EvaluationPrice not published
- Business$804 a year
- Enterprise$2,388 a year
In their own words
Feng-GUI
Feng-GUI is a visual insights platform that predicts eye-tracking patterns and analyzes attention with AI. It can process websites, advertisements, videos, print materials, shelf layouts, signage and packaging. Reports include heatmaps, gaze plots, focus maps, Areas of Interest and aesthetics analyses, while an AI Assistant turns insights and recommendations into concise summaries. Feng-GUI can detect faces and analyze eight expressions: Neutral, Happy, Surprise, Sad, Anger, Disgust, Fear and Contempt. Report data exports as raw images, JSON or CSV. The service is available through a web browser and an open Platform API, with Model Context Protocol support for AI agents. The company states that MIT benchmarking found results 92% similar to real eye-tracking. It also states compliance with GDPR and PCI DSS and describes itself as a certified Microsoft supplier meeting SSPA and Supplier Data Protection Requirements. Uploaded files and reports are automatically deleted after three months for monthly subscribers and one year for annual subscribers. The documented maximum image size is 20 MB. Business costs $67 a month, billed annually; Basic costs $99 a month, billed monthly.
Pupil Core
Pupil Core has no write-up on Specifiction yet; its figures are above.