What percentile is your IQ?
Expert-designed 30 questions. In 7 minutes, get your estimated IQ and a 4-domain strength breakdown — free.
- 30 psychometric questions · 4-domain analysis
- Instant result on submission
- $3.70 PDF report — includes all 30 explanations
- No sign-up — anonymous session
⚠ Estimated score · Not a clinical diagnosis
What your report looks like (sample)
Your Estimated IQ
상위 15.9%
추정 IQ 115
The real PDF also includes a per-question breakdown and detailed domain analysis.
Frequently asked
Yes. Taking the 30 questions, getting your estimated IQ and top percentile — all free. Only the detailed PDF report (per-category scores, age-group comparison, all 30 explanations) is paid at $3.70.
It's an estimate that maps your correct-answer rate onto a normal distribution (mean 100, SD 15) — the same approach used in psychometrics. Not a clinical diagnosis; results can vary ±5–10 with mood and conditions.
Via Lemon Squeezy (global payment processor). Card, Apple Pay, KakaoPay, and more. Digital products are non-refundable once delivered.
Immediately after payment — the PDF is auto-emailed to the address you provide. If it hasn't arrived in 5 minutes, check your spam folder.
Your email is used only to deliver the report and is deleted after 90 days. Test responses are stored against anonymous session IDs and aren't linked to your identity.
There's no hard limit, but for accuracy we recommend waiting 24 hours between attempts. Scores tend to cluster within a narrow band when conditions match.
Yes — once paid, that session's result page stays unlocked forever. Bookmark the URL or save the emailed PDF for permanent access.
Operator note — Lemon Squeezy is a Merchant of Record, so no business registration is required to launch. Tax/VAT handling is automatic.
Yes — after unlocking, the result page has a 'Create compare link' card. Paste your friend's session UUID and you'll get a side-by-side compare page.
We measure response time per question; allowing review would dilute the signal. A strict 60s-per-question flow matches the standard IQ assessment conditions.