Pupil Core

Name: Pupil Core
Price: 3615 EUR

Windows · Mac · Linux · API

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Freedom report

Two barsScore 5.1

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Pupil Core is ranked #19 of 27 in eye tracking software on Freedom251. It runs on API, Linux, macOS, Windows. There is no free plan.

Pupil Core plans and pricing

All plans

Pupil Core €3,615 once Wearable eye-tracking headset and open-source software suite pupil-labs.com · 4 Oct 2026

Compared on eye tracking software

Free plan: No
Input method: hardware
Study mode: live
Gaze visualizations: gaze circles, gaze crosses, gaze polylines, light points, fixation overlays, surface heatmaps
Export formats: MP4, CSV, NumPy, PNG, TLV
Supported platforms: Windows, macOS, Linux

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The record

Purpose: Pupil Core combines a wearable eye-tracking headset with an open-source software suite for eye-tracking research.
Recording: Pupil Capture records and displays real-time gaze and pupil data when the headset is connected to a desktop or laptop.
Playback and analysis: Pupil Player visualizes gaze on first-person video, supports analysis plugins, and exports raw and enriched data.
Extensibility: Users can connect other devices through the API and add features with Python plugins loaded at runtime.
Eye tracking: The system uses dark-pupil tracking with a 3D model and supports binocular or monocular tracking and five-point calibration.
Accuracy: The published specification lists 0.60° accuracy with calibration and 0.02° precision.
Cameras: The headset has two infrared eye cameras at 192 × 192 pixels and 200 Hz; scene-camera options include 1080p at 30 Hz, 720p at 60 Hz, and 480p at 120 Hz.
Computer requirements: Pupil Core software requires a desktop or laptop with an Intel i7 or greater CPU and at least 8 GB RAM.
Integrations: 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.
Software license: Pupil Labs’ GitHub repository says its source code is available under the GNU Lesser General Public License v3.0.
Support: Pupil Labs offers community and expert help, including tailored research workflows and training.
Privacy: The company privacy policy identifies Pupil Labs GmbH in Berlin as the service operator and describes personal-data processing under its policy.
Intended users: Pupil Labs describes Pupil Core as an open platform used by a global community of researchers for diverse research purposes.
Founded: 2014

Where it ranks on Freedom251

Best Eye Tracking Software in 2026#19 of 27

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Sources

pupil-labs.com/products/core· checked 4 Oct 2026
pupil-labs.com/products/core/tech-specs· checked 4 Oct 2026
pupil-labs.com/compatible-tools· checked 4 Oct 2026
github.com/pupil-labs/pupil· checked 4 Oct 2026
pupil-labs.com/legal/privacy· checked 4 Oct 2026