— 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 — plus a downloadable certificate. 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. You get your detailed score, percentile, and certificate at the end.
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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