Free IQ test online
SpectroMind · Quebec, Canada · indicative assessment
Free questions · Express (12 Q, 10 min) or Full (40 Q, ~1 h) · logic, spatial, math and puzzles · no sign-up required.
SpectroMind offers a free IQ test online in two formats: a quick Express test (12 questions) or the Full test (40 questions). Measure your logical and spatial reasoning, then receive an indicative score, percentile and personalized report.
Why take a free intelligence test?
An online intelligence test helps you understand your cognitive strengths: abstract reasoning, spatial vision and numerical logic. SpectroMind is for anyone looking for a serious free logic test without general knowledge questions, with detailed corrections at the end.
- Free evaluation of all 40 questions (full test experience).
- Questions randomly drawn from matrices, sequences, puzzles and spatial problems.
- Score recalculated server-side to limit obvious cheating.
- PDF report, cognitive profile and percentile in a personalized document.
How does the SpectroMind IQ test work?
- Choose Express (10 min) or Full test — no account required.
- Answer all questions within the time limit.
- View your estimated SpectroMind index and unlock your report.
Read the score methodology to understand the formula, percentile and test limitations, or dig deeper into how IQ tests work, what a percentile actually means and how to improve your reasoning.
Free IQ test vs official assessment
This online IQ test is indicative: it does not replace a psychological assessment (WAIS, WISC) or an official Mensa test. It offers an accessible estimate to discover your reasoning profile.
FAQ: free IQ test
Is the test really free?
Yes, taking all 40 questions costs nothing. The detailed personalized report unlocks after the session (secure Stripe payment).
Mobile or desktop?
Both: the interface adapts to phones, tablets and PCs.
Available in English, French or Spanish?
Interface and report available in EN, FR and ES. French version · Spanish version.
Start Express (10 min) Full test (40 Q)
Prefer to read the overview first? Discover the test in detail · Back to home