Add research-based reading assessment to your product
Our vision: New intelligence for every kid
Every learner deserves insights that help them grow.
Lexplore combines reading science, AI and eye-movement technology to offer intelligence that supports every child - and every product designed for them.
A complete reading assessment - in your product
Lexplore provides a modern, research-based method for assessing reading in just a few minutes.
✔ Proven assessment method
Developed from more than 30 years of eye-movement research and thousands of analysed reading sessions.
✔ Validated technology
The same core method is used in multiple environments, showing stable and reliable results whether run with external or standard built-in cameras.
✔ Web-based and frictionless
No installations. Runs directly in the browser with only a webcam.
✔ Designed for silent reading
A mode often missing in third-party tools — yet critical for identifying reading challenges early.
✔ Ready to scale
Integrate once and use across thousands of users without additional setup.
What you get
One silent and one aloud reading moment - together giving a unique picture of reading ability.
How it works

Validated, Transparent, Secure
📦 Built on research, designed for scale
Our method has been tested across a large, diverse population, ensuring high reliability.
🇪🇺 GDPR-compliant and privacy-first
Processing is EU-based and no video is stored. Only eye-movement data points are analysed.
🧊 Transparent and inspectable
The Web Assessment Client is open source, giving you full control of UI, behaviour and localisation.

Built for modern EdTech platforms

Add reading insights
to your core offering

Support personalised instruction

Power smarter book recommendations

Offer levelled content
based on validated reading data

Enrich digital books
with reading-level data
Technical overview
API
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REST API
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Secure authentication
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Stable JSON responses
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Versioned endpoints
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Sandbox environment
Web Assessment Client
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Open-source
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You host and brand it
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Easy to translate
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Modern web stack
Texts & assessment flow
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Two level-appropriate texts
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Loud + silent reading
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Assessment time: typically 5–7 minutes
What you can build with Lexplore

Place learners at the right starting level instantly using objective reading data.

Guide learners through adaptive reading journeys based on strengths and needs.

Match each reader with books suited to their validated reading ability.

Provide clear insight into fluency, accuracy, and reading behaviour — all automatically analysed.

Identify learners who may need support early, without manual scoring or subjective observation.

Track development over time with consistent, research-based reading metrics.
Strengthen your product with objective reading data
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Objective silent reading assessment
Measure real reading ability through a reading task.
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AI-powered analysis
Eye-movement and reading behavior are analysed automatically, giving reliable results in seconds.
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Fast, child-friendly
The assessment takes only a few minutes using a simple laptop webcam.
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Actionable reading insights
Receive percentile, level, fluency, accuracy, and indicators directly through API.
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Seamless to integrate
Embed the full reading assessment flow inside your product through a lightweight, secure REST API.
Technical highlights
🔐 REST API with authenticated backend-to-backend communication
Secure API keys, short-lived tokens, and clear versioned endpoints.
🧪 Full sandbox environment
Test the entire flow end-to-end, including creating assessments and receiving webhook results.
📦 Predictable, structured JSON
Stable, schema-driven JSON for both API responses and webhook payloads.
🌐 100% web-based assessment
Runs directly in the browser using the Tobii Web SDK — no installs, no local setup.
🇪🇺 GDPR-compliant, EU-hosted infrastructure
All processing and storage on our side remains fully EU-based.
🌍 Multilingual support
Built-in language support, with full control of translations in your fork.
🎛 Open-source client
Fork, customise branding, and host the Web Assessment client in your domain.
🧩 Easy integration demo available
We provide a working demo you can explore before integrating.
Pricing
Proven. Reliable. Globally used.
Proven and trusted for years
Lexplore’s reading assessment is built on over a decade of reading science, validated in real classrooms and used by thousands of teachers around the world.
The method has been refined through long-term use, large data volumes and continuous research collaboration.
Read more about the research here ->
Validated outside school environments
Our consumer product, Lexplore Flex, provides strong real-world evidence that the assessment works reliably even in home settings.
Families use it with ordinary laptops and webcams — and consistently receive stable, accurate results.
This demonstrates that the method is robust, user-friendly and technically reliable across environments, not just in controlled school settings.
Scientifically grounded
The underlying methodology is based on eye-tracking and reading behaviour analysis developed in collaboration with reading researchers.
Results align with established literacy measures and are trusted by educators globally.
Ready for seamless integration
The assessment flow has been tested across thousands of devices, networks and user scenarios - making it a mature and dependable component to embed in modern EdTech products.
You provide the user experience; Lexplore provides the validated reading profile.
Let’s explore your integration
Whether you want to add reading assessment, improve learning insights, or enhance your reading experience - we’ll help you choose the best setup.