IQTests is an independent, reader-first project with one job: give you a fair, free estimate of how you reason, then say plainly what that number is and isn’t worth. There’s no certificate to buy, no account to open, and no inbox to hand over first.
The site is deliberately small. One reasoning test, one clear result, and every step of how that result is produced written down where you can check it. We would rather be narrow and honest than broad and vague.
The expert behind the test
Our scoring method and the guidance we publish are reviewed by Jennifer Huber, Ph.D., who works in cognitive assessment and psychometrics. Her role is to hold two things true at the same time: that the score rests on genuine measurement research, and that we never let a confident-looking number imply more than a short online test can support.
What we stand for
- Free and open. The test and your result cost nothing, and the way we score it is documented, not hidden.
- Private by default. Your answers are graded in your browser. We don’t need an email to show you a score.
- Honest about limits. A quick web test is a useful estimate, not a clinical verdict, and we say so on the result itself.
- Grounded in research. We build on published reasoning-item work rather than a homemade quiz.
How we keep results trustworthy
The questions draw on established, peer-reviewed reasoning items instead of invented puzzles, and each answer is placed on the standard deviation-IQ scale, where the average is 100. That lets your result be read against a real reference group rather than a made-up curve. The complete method — how raw answers become a score, how the percentile is derived, and where the error bars sit — is laid out on our methodology page, and it’s revisited as the underlying research evolves.
What IQTests is not
We are not a clinic and not a recruiter. A ten-minute test online is not a substitute for a supervised Wechsler (WAIS) or Stanford–Binet assessment run by a licensed psychologist, and it will not qualify you for Mensa. If you need a score for a diagnosis, a school placement, or any decision that carries weight, that is the route to take. Our terms of use spell this out in full.
Where we stand on your data: no advertising trackers, no data for sale, and scoring that happens on your device. Exactly what we collect and how to remove it lives in the privacy policy, and the small files the test keeps in your browser are listed in the cookie policy.
Found a question you think is wrong, or just want to argue with one? Our contact page reaches a real person. And if you haven’t yet, the clearest way to understand any of this is to take the free test and read your own result.
Reviewed by Jennifer Huber, Ph.D. · Last updated July 2026