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Frequently Asked Questions

Is TechPrep.fyi free?
Yes — everything is free. No account required, no paywalls, no ads.
Do I need to create an account?
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The AI Tutor isn't responding. What's wrong?
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My learning progress disappeared. Why?
Progress is stored in your browser's local storage. It will be lost if you clear site data, use incognito mode, or switch browsers/devices.
An algorithm explanation looks wrong. How do I report it?
Use the form above with the algorithm name and the issue. We take accuracy seriously and will investigate promptly.
Can I request a new topic or tutorial?
Yes — fill out the form above with your suggestion. We prioritize based on demand and educational value.
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