— Comparison
Core Brain vs CognitiveMetrics
— Don't just read about it
Find out YOUR exact IQ
20-min calibrated test · real psychometrics
Start →
CognitiveMetrics hosts a community of peer-developed IQ tests. A different model entirely.
| CognitiveMetrics | Core Brain | |
|---|---|---|
| Format | Free community-built tests (CAIT, JCTI, etc.), peer-normed against community-submitted scores | Single integrated test, professionally calibrated against standard normal distribution, paid unlock |
| Methodology | Mixed (varies by test) | IRT 3PL Bayesian MAP |
| Confidence interval | Yes | Yes (95% CI) |
| Six-axis breakdown | No | Yes |
| Time | 15-30 min | 20 min |
| Cost | Free | $15 |
— Try one before you read on
If 5 cats catch 5 mice in 5 minutes, how long does it take 100 cats to catch 100 mice?
Each cat catches 1 mouse in 5 min. 100 cats catch 100 mice in 5 min.
That was 1 question. Take the full 20-min test →
Verdict
→Pause. Find out YOUR IQ before you keep reading.CognitiveMetrics is the gold standard for the cognitive testing community — multiple tests, all free, peer-normed. Core Brain trades breadth for a single calibrated 20-min experience with normed scoring.
Try Core Brain
20 minutes, six cognitive axes, full normed IQ with 95% confidence interval. $15 unlock or take a promo code if you have one.
Which should you take?
→Curious how YOU score? 20-min calibrated test.Take CognitiveMetrics if:
- You want to take multiple different free tests
- You value peer-normed against high-IQ society members
- You're already in the r/cognitiveTesting community
Take Core Brain if:
- You want a calibrated 20-minute test with real IRT scoring
- You want to see WHICH cognitive axis you're strongest in, not just a single number
- You want a 95% confidence interval on your score (the mark of a real psychometric test)
- You want a downloadable certificate