IQ
test.

30 questions in patterns, logic,
spatial thinking and numbers.

25 minutes

Free questions. Full report US$3.99 once.
Ages 16+; guardian permission for ages 16–17.
Answers are saved privately. How your data is used

Calibrated scoring

Every answer counts.
Every score has context.

Your score follows a fixed method calibrated with 12,700 simulated assessments, with an average of 100 in that group.

How scoring works

Example result

Normal distribution with an example score of 114A reference bell curve centered at 100 with a standard deviation of 15. The You marker shows an illustrative score of 114, not a personal test result or the distribution of starp's simulated assessments.7085100115130You · 114
Normal distribution reference mean 100 · SD 15

Frequently asked questions

About the test, your results and payment.

How long does the starp IQ test take?

You have 25 minutes to answer 30 questions covering patterns, logic, spatial thinking and numbers. You can move back and change answers before submitting. The timer runs continuously, and the answers in your open test are submitted when time runs out.

Want to get a feel for the questions first? Try our free reasoning practice questions.

Is the IQ test free, and what do results cost?

Taking the test is free. To see your result, the full report is US$3.99 as a one-time purchase. It includes your indicative IQ score, a four-skill profile, explanations for the questions and a report you can download.

There is no subscription. Complete the test first, then decide whether to buy your report.

Do I need an account to take the test?

No account or password is needed. Your answers are saved as you go, and a purchased report stays available in the same browser for one year after payment.

Creem collects an email address at checkout for your receipt. Your result and solutions are shown on this site. Download a copy to keep if you clear browser data or switch devices.

Are there subscriptions or recurring charges?

No. The full report costs US$3.99 once, with no subscription or recurring billing.

Prices are in US dollars. Any applicable tax and the final total are shown at checkout before you pay.

How accurate are online IQ scores?

Online IQ scores are estimates rather than exact measurements. Their accuracy depends on the test, how it was validated and the conditions in which it is taken. A single margin of error does not apply to every online IQ test.

For a formal assessment, consult a qualified psychologist and confirm the requirements of the school, organization or authority requesting it. starp is intended for personal insight into your reasoning performance.

Is starp a scientifically validated IQ test?

starp brings together 30 questions covering pattern recognition, spatial thinking, logical deduction and numerical reasoning. Your score is calculated from your answers using a fixed scoring method calibrated with 12,700 simulated completed assessments. The same number of correct answers always produces the same score.

The score is intended for personal insight and is not a standardized or clinical assessment. Learn more about the test and how IQ scores work.

The starp reading room

Explore IQ and reasoning.

Clear explanations, original practice and a closer look at what scores mean.

All 75 articles