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Head-to-head · Eye Tracking Software

RealEye vs Pupil Core

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side

RealEye leads on 0 checks, Pupil Core on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRealEye · 8.5/10
  • Free trialonly RealEye

RealEye scores higher on our rubric for eye tracking software: 8.5 against 8.3 out of 10; our editors rank them #6 and #8.

RealEye is the better fit for browser research with surveys and facial coding. Pupil Core is the better fit for open-source wearable eye tracking.

  • RealEye fits best

    Browser research with surveys and facial coding

  • Pupil Core fits best

    Open-source wearable eye tracking

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature RealEye 8.5/10 Visit ↗ Pupil Core 8.3/10 Visit ↗
At a glance
Editor score 8.5 8.3
Ranking #6 in Eye Tracking Software #8 in Eye Tracking Software
Best for Browser research with surveys and facial coding Open-source wearable eye tracking
Pricing model Paid Paid
Starting price $325/mo €2,995 one-time
Free plan — —
Free trial 7 days —
Deployment Cloud Desktop
Platforms Web Windows, macOS, Linux
Support Email, Live chat, Phone, Docs Email, Live chat, Community, Docs
Compliance GDPR GDPR
Integrations 3 integrations 4 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Specs
Input method Not checked yet Hardware
Study mode Not checked yet Live
Participant limit Not checked yet Not checked yet
Gaze visualizations Not checked yet gaze circles, gaze crosses, gaze polylines, light points, fixation overlays, surface heatmaps
Export formats Not checked yet MP4, CSV, NumPy, PNG, TLV
Supported platforms Not checked yet Windows, macOS, Linux
Our review
Pros
  • Tests images, videos, websites, mockups, and social-media-style feeds
  • Combines eye tracking, facial coding, surveys, and interaction tracking
  • Offers heatmaps, fixation analysis, exports, APIs, and participant recruitment
  • Real-time gaze and pupil-data recording with fixation detection
  • Surface tracking, heatmaps, visualizations, and post-hoc analysis
  • Windows, macOS, and Linux support with APIs and Python plugins
Cons
  • No free plan, with Basic starting at $325 per month on annual billing
  • Basic studies are limited to 3 minutes and 20 own participants monthly
  • Advertising workflows test mockups or HTML copies, not live third-party platforms
  • The standard one-time price is €3,615
  • Requires wearable eye-tracking hardware
  • May be more than needed for simple gaze-recording projects
Our verdict

RealEye is a web-based research platform for universities, research teams, agencies, enterprises, and digital product teams. It uses webcam-based eye tracking in the browser to study attention and behavior across images, videos, live…

Read the review →

Pupil Core combines a wearable eye-tracking headset with an open-source desktop software suite for recording, reviewing, analyzing, and exporting gaze and pupil data. It is aimed at researchers and developers conducting eye-tracking…

Read the review →
  1. RealEyeEye Tracking Software 8.57-day trial
  2. Pupil CoreEye Tracking Software 8.3Paid

Strengths and trade-offs

  • RealEye — where it wins

    • Tests images, videos, websites, mockups, and social-media-style feeds
    • Combines eye tracking, facial coding, surveys, and interaction tracking
    • Offers heatmaps, fixation analysis, exports, APIs, and participant recruitment

    Where it doesn't

    • No free plan, with Basic starting at $325 per month on annual billing
    • Basic studies are limited to 3 minutes and 20 own participants monthly
    • Advertising workflows test mockups or HTML copies, not live third-party platforms
  • Pupil Core — where it wins

    • Real-time gaze and pupil-data recording with fixation detection
    • Surface tracking, heatmaps, visualizations, and post-hoc analysis
    • Windows, macOS, and Linux support with APIs and Python plugins

    Where it doesn't

    • The standard one-time price is €3,615
    • Requires wearable eye-tracking hardware
    • May be more than needed for simple gaze-recording projects

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update