Free IQ test online
SpectroMind · Quebec, Canada · indicative assessment
40 free questions · about 1 hour · logic, spatial, math and puzzles · no sign-up required.
SpectroMind offers a free IQ test online accessible from any browser. Measure your logical and spatial reasoning through 40 varied exercises, 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?
- Click Start the test — no account required.
- Answer 40 questions within 60 minutes.
- View your estimated SpectroMind index and unlock the full report.
Read the score methodology to understand the formula, percentile and test limitations.
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.
Prefer to read the overview first? Discover the test in detail · Back to home