Chiasm
6.6#4 in eye tracking softwareFrom €199 a monthFree planWebAPI
VisitChiasm vs Pupil Core
Pupil Core
5.9#15 in eye tracking software€3,615 one-timeAPILinuxmacOSWindows
VisitWhat both publish
| Fact | Chiasm | Pupil Core |
|---|---|---|
| Headquarters | Amsterdam, The Netherlands | Berlin, Germany |
| Integrations | Chiasm integrates through a JavaScript library with Qualtrics, jsPsych and custom web studies. | 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. |
| Intended users | The service is for business, professional, academic, institutional or organisational use and is not intended for consumers using it personally. | Pupil Labs describes Pupil Core as an open platform used by a global community of researchers for diverse research purposes. |
| Purpose | Chiasm captures gaze data from participants’ webcams for online studies and research. | Pupil Core combines a wearable eye-tracking headset with an open-source software suite for eye-tracking research. |
| Support | Standard technical support is best effort and includes bug fixes, platform-use assistance, documentation and general guidance; study-design advice and data analysis are excluded. | Pupil Labs offers community and expert help, including tailored research workflows and training. |
Chiasm plans
- FlexFree
- Starter€199 a month
- Pro€499 a month
- CustomPriced on request
Pupil Core plans
- Pupil Core€3,615, paid once
Pick Chiasm if…
Chiasm suits researchers and organisations running remote webcam-based studies, particularly those using Qualtrics, jsPsych, or custom web studies. It is not intended for personal consumer use.
Pick Pupil Core if…
It suits researchers who need wearable eye tracking and tools for live recording, video analysis, and data export. Its API and Python plugins also fit teams that want to connect devices or extend features.