Level 1 · Classic · Brain Club
The Official IQ Test (Full Version)
50 questions · 5 abilities · certificate with your name · brain report PDF
- 50 questions
- Up to 45 min
- Certificate + PDF report
Brain Club
Take the Official IQ Test free for 14 days
Brain Club unlocks every test on the site - with a certificate in your name and a PDF report for each - plus brain games, daily challenges and the rankings.
then $5.90/month
- All 3 IQ test levels: Official, Advanced & the Real IQ Test
- Certificate with your name (PDF) for every test
- Brain report PDF: scores, brain areas, every answer explained
- Kids IQ Test, EQ Test & Multiple Intelligences profile
- Memory, Logic, Verbal, Spatial and Reaction tests
- 7 brain games, daily & weekly challenges, rankings
Cancel anytime before the trial ends and pay nothing · What's in Brain Club · Already a member? Restore your access
Why take the full version?
Twenty questions give a quick estimate. Fifty questions give a far more complete picture: ten questions per ability, from easy warm-ups to genuinely tough matrices, so your score and your profile rest on much more evidence.
- Your IQ score with your percentile and classification.
- A certificate with your name - a signed, verifiable PDF, ready to print or post.
- Your brain report (PDF) - your five ability scores, the brain areas research links to each one, your strengths, tips to grow, and every question with your answer, the right answer and why.
- Two harder levels - the Advanced IQ Test and the Real IQ Test - plus every other test on the site.
The five abilities in your brain report
Pattern Reasoning
Fluid intelligence: spotting the hidden rule in new, unfamiliar problems.
Brain areas: A network linking the prefrontal cortex (front) and the parietal lobes (top-back) - the "P-FIT" network that brain-imaging studies link most strongly to reasoning.
Numerical Reasoning
Working with numbers, sequences and quantities in your head.
Brain areas: The intraparietal sulcus, a groove in the parietal lobe that handles number sense and mental arithmetic.
Verbal Reasoning
Understanding words, meanings and the relationships between ideas.
Brain areas: The left-hemisphere language network: Broca's area (frontal lobe) and Wernicke's area (temporal lobe).
Logical Deduction
Drawing conclusions that must follow from the facts - and spotting the ones that don't.
Brain areas: The rostrolateral prefrontal cortex, which combines several relations at once.
Spatial Reasoning
Turning, flipping and placing shapes in your mind's eye.
Brain areas: The right superior parietal lobe, which is active when you mentally rotate objects.
Fair and clear
We show the price before you start. Brain Club is 14 days free, then $5.90/month - cancel before the trial ends and you pay nothing. No "results fee" sprung on you at the end. The free test always stays free.
Sample questions
Two example questions in the style of the Official IQ Test. Tap an answer to check it.
Example 1. What number comes next? 4, 9, 19, 39, ...
Each number is doubled and then 1 is added: 39 x 2 + 1 = 79.
Example 2. Pilot is to Aeroplane as Captain is to ...
A pilot is in charge of an aeroplane; a captain is in charge of a ship.
Frequently asked questions
Is the IQ test really free?
Yes. The 20-question Free IQ Test is free to take and you see your estimated IQ, your percentile and your "room of 100" result straight away - no sign-up and no email. It is a sample. Brain Club unlocks the full IQ tests in three levels, certificates, brain reports, every other test, brain games and daily challenges: 14 days free, then $5.90/month.
How does Brain Club work?
Brain Club is a membership with a free trial: 14 days free, then $5.90/month, or 1 month free, then $59/year. The price is shown before you start, you are not charged during the trial, and you can cancel anytime before it ends to pay nothing.
What do I get with Brain Club?
Every IQ test in three levels (the Official, the Advanced and the hard Real IQ Test), the Kids IQ Test, a certificate with your name and a PDF brain report for every test, the EQ, Memory, Logic, Verbal, Spatial, Reaction & Focus and Multiple Intelligences tests, seven brain games, a new challenge every day and every week, and the rankings.
Which IQ test is the most accurate?
The Real IQ Test (level 3). It has the hardest questions, adds working memory, and is scored honestly on the standard IQ scale - so most people land between 85 and 115. The Official and Advanced tests are easier and score more generously, which makes them a great confidence boost. No online test replaces a clinical assessment.
How accurate is an online IQ test?
Our tests use the same kinds of questions as professional tests - pattern matrices, number series, analogies, deduction, mental rotation and memory - and score you on the familiar IQ scale. They are a well-designed estimate for self-discovery and fun. Only a licensed psychologist using a test such as the WAIS or Stanford-Binet can give a clinical IQ score.
What is a good IQ score?
The average IQ is 100 by definition, and about two-thirds of people score between 85 and 115. A score of 110-119 is above average, 120-129 is superior, and 130 or more puts you in roughly the top 2% - the level Mensa accepts.
How long does the test take?
The Free IQ Test has 20 questions and takes most people 10 to 15 minutes. The Official IQ Test has 50 questions (45-minute limit); the Advanced and Real IQ Tests have 40 questions each (40-minute limit).
Can I share my result?
Yes - that is half the fun. After the test you get a ready-made image for your Instagram or TikTok story and a square post, plus a link. Brain Club adds a PDF certificate with your name that anyone can verify on our site.
Can I retake the test?
Yes, as often as you like. Scores usually rise a little on a second try because the question styles feel familiar - that is normal, and why professional tests limit retakes.