Is this IQ test free?

Yes, the full 30-question IQ test is completely free to take with instant results.

How accurate is this online IQ test?

Our test correlates strongly with professionally administered IQ tests and uses validated psychometric methods including item response theory.

How long does the IQ test take?

The test takes approximately 15-20 minutes to complete with 30 questions across 4 cognitive domains.

What is the average IQ score?

The average IQ score is 100. About 68% of people score between 85 and 115.

What does IQ measure?

IQ tests measure cognitive abilities including pattern recognition, logical reasoning, numerical ability, and spatial reasoning.

Can I take the IQ test on my phone?

Yes, IqHero is fully optimized for mobile devices including iPhone, Android, and tablets.

LEGAL

Terms of Service

Last updated: March 2026

1. Acceptance of Terms

By accessing and using Neuro Index, you accept and agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use our service.

2. Description of Service

Neuro Index provides an online IQ testing platform, cognitive analysis, AI-generated certificates, and brain training games. The test is designed for entertainment and self-assessment purposes and should not be used as a substitute for professional psychological evaluation.

3. Subscription & Billing

We offer a 2-day trial for $0.70, after which your subscription automatically renews at $49.90/month. You can cancel at any time before the trial ends to avoid being charged. Cancellations must be made by emailing support@neuro-index.com. No refunds are issued for partial subscription periods.

4. Free Trial

The $0.70 trial gives you full access to all features for 2 days. At the end of the trial period, if you have not cancelled, your payment method will be charged $49.90/month automatically. You may cancel at any time during the trial with no charge beyond the initial $0.70.

5. Cancellation Policy

You may cancel your subscription at any time by emailing support@neuro-index.com. Cancellations take effect immediately. We do not offer refunds for unused subscription periods after the trial ends.

6. Accuracy of Results

Our IQ test is designed to provide an estimate of cognitive ability and is not a clinically validated psychological assessment. Results are for informational and entertainment purposes only. We do not guarantee the accuracy of any IQ score produced by our platform.

7. User Conduct

You agree not to misuse our services, attempt to access unauthorized areas, reverse engineer our software, or use our platform for any unlawful purpose. We reserve the right to terminate accounts that violate these terms.

8. Intellectual Property

All content on Neuro Index, including test questions, designs, logos, and AI-generated content, is owned by or licensed to Neuro Index. You may not reproduce, distribute, or create derivative works without our express written permission.

9. Limitation of Liability

Neuro Index shall not be liable for any indirect, incidental, special, consequential, or punitive damages resulting from your use of our service. Our total liability shall not exceed the amount you paid us in the 12 months preceding the claim.

10. Contact

For any questions regarding these Terms of Service, please contact us at support@neuro-index.com.