About Braindex
What is Braindex?
Braindex is a free platform offering scientifically-grounded cognitive and personality assessments. We believe everyone deserves access to tools that help them understand how they think, what drives them, and where their strengths lie — without paywalls or hidden fees.
Our Assessments
30 carefully crafted questions spanning number sequences, logical reasoning, pattern recognition, matrix reasoning, and spatial reasoning. Difficulty-weighted scoring with time bonuses.
Take the IQ Test →50 real-world Likert-scale questions based on the Big Five (OCEAN) personality model. Your results are mapped to one of the 16 MBTI personality types with detailed reports.
Take the Personality Test →40 questions exploring your relationship patterns and emotional bonding style. Discover whether your attachment style is Secure, Anxious, Avoidant, or Fearful-Avoidant.
Take the Attachment Test →Our Approach
Our assessments draw from established psychometric research — the Big Five personality model and standardized cognitive testing frameworks. While our tests are designed for entertainment and self-reflection, they use real scoring methodologies to give you meaningful, actionable insights.
Free Forever
Every assessment on Braindex is completely free. No premium tiers, no locked results, no bait-and-switch. You take the test, you get your full results and detailed report — no strings attached.