— CORE BRAIN DIAGNOSTIC
Find the shape of your mind.
A short, calibrated online IQ test that maps how you reason — across pattern, spatial, logical, verbal, numeric, and matrix thinking. Twenty minutes. One IQ number. A full six-axis cognitive profile and a downloadable certificate.
What is the Core Brain IQ test?
Core Brain is a free online IQ test calibrated against a normed distribution. It measures fluid reasoning across six cognitive axes and returns a composite IQ score, percentile, balance score, g-factor, and per-axis breakdown. The full detailed result, narrative, and downloadable IQ certificate unlock for a one-time $2 fee — no subscription, no upsell.
How it works
- Pick from five difficulty levels — Warm-up, Standard, Challenging, Hard, or Genius.
- Answer 40 calibrated questions in 20 minutes.
- Get a normed IQ score, percentile, six-axis cognitive profile, and a downloadable certificate.
- Entertainment and self-reflection only — not a clinical or medical assessment.
Frequently asked
How long does the IQ test take?
About twenty minutes total, with a single global timer rather than per-question pressure.
Is Core Brain free?
Taking the test is free. Unlocking the detailed score, percentile, and certificate is a one-time $2 fee.
What does an IQ of 130 mean?
Roughly two standard deviations above the mean of 100 — top 2 percent of the population, classified as Highly Gifted.
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