Measure your intelligence.
In minutes.

Take a science-backed IQ test and get your score range for free. Unlock your exact score and cognitive profile for a small fee.

Choose your length

10, 15, or 20 questions — you decide how deep to go.

CHC methodology

Based on the Cattell-Horn-Carroll framework for cognitive assessment.

Private by design

No cookies, no tracking. Results stay in your browser session.

The Science Behind Mentispect

Our cognitive assessment is grounded in established psychometric principles and modern neuroscience.

CHC Theory

We utilize the Cattell-Horn-Carroll theory, the most comprehensive and empirically supported model of cognitive abilities.

Fluid Intelligence

Our tests specifically target your ability to reason, solve novel problems, and identify patterns without relying on previous knowledge.

Psychometric Validity

Every question is calibrated through rigorous statistical analysis to ensure accuracy and reliability in scoring.

Frequently Asked Questions

How accurate is the Mentispect IQ score?

While no online test can replace a clinical assessment by a psychologist, Mentispect provides a high-fidelity estimation (±5 points) based on established cognitive benchmarks.

How long does the test take?

Depending on the number of questions you choose, it typically takes between 10 to 20 minutes of focused concentration.

What do the results represent?

Your score represents your performance relative to a standardized population norm, specifically focusing on fluid and verbal reasoning.