Best Free IQ Test: 6 Options, Honestly Compared

Full disclosure: we make one of the tests on this page. To keep the comparison useful anyway, the criteria are defined before the table, every factual claim was re-verified in July 2026, competitors get credit where they earn it, and our own weaknesses are listed like everyone else's. If anything below is out of date, tell us and we will fix it.
Quick answer: for a full-length free test with honest scoring — IQ Check or Mensa Norway's practice test (both 35 puzzles / 25 minutes / capped at 145). Quickest decent estimate: MyIQTested or 123test. Avoid anything that reveals a price only after you have spent twenty minutes answering questions.

The criteria (decide before you compare)

  • Full result, free, no email — the test shows your actual score without payment, account or address harvesting.
  • No subscription anything — one-time paid extras are legitimate; "trials" that convert monthly are not.
  • Honest ceiling — short online tests cannot discriminate above ~145; a site offering you 160 is flattering, not measuring.
  • Published methodology — how raw answers become an IQ, with the assumptions stated.
  • Fresh items on retake — fixed banks make second attempts meaningless and answer keys shareable.
  • Age norms — a 10-year-old and an adult should not be scored on the same curve.

The comparison table

TestLengthFree full resultEmail / account Score ceilingMethodologyNew items on retakeKids norms
IQ Check (this site) 35 items · 25 min ✅ full result none 145 (stated) ✅ published ✅ generated per attempt ✅ ages 6+
Mensa Norway (practice) 35 items · 25 min ✅ full result none 145 (85–145 range) partial ✗ fixed bank age-range selector
MyIQTested 33 items · ~10 min ✅ full result none not stated ✅ published (ICAR) ✗ fixed public bank ✗ adults
123test (free version) 10 items · 10 min ✅ basic result none not stated partial ✗ fixed bank
Arealme varies by edition ✅ full result none not stated ✗ not published ✗ fixed bank
BrainManager 40 items · ~10 min ✗ paid required not stated partial
"$0.99 results" sites (category) 20–40 items ✗ pay to see score usually required often 150–160+ flattery

Verified July 2026 by inspecting each site's test flow, pricing pages and published documentation, supplemented by third-party review records. "Partial" methodology = some explanation exists but the scoring model isn't published. The last row describes a recurring site pattern rather than one product; the behavior is documented across Trustpilot and BBB complaint records.

Notes on each

Mensa Norway — the pedigree pick

Published by an actual Mensa chapter, free, no registration, and honest: it reports only 85–145 and says so. If you want one external benchmark, use this one. Two limitations: a fixed item bank (your second attempt is practice-inflated, and worked solutions circulate online), and no explanations — it estimates, it doesn't teach. It is the closest format match to a real supervised admission test, which is exactly why we built ours to the same shape: 35 matrix items, 25 minutes, ceiling 145.

MyIQTested — honest and quick

Free full results, no email, and a published basis (items from the open-science ICAR bank) — genuinely one of the good ones, with a solid learning hub. The flip side of using a public item bank: the items and their answers are literally published research materials, so scores are only meaningful for people who haven't looked. At ~10 minutes it is a quick-estimate tool rather than a full-length test.

123test — the fair-freemium veteran

Online since 2003 and a model citizen of the paid tier done right: the free 10-item test shows you a real result, and the $12.99 professional version (44 items) is a clearly-priced one-time purchase — no trial, no subscription. The free version's limitation is length: 10 items means very wide error bars. Fine for curiosity; don't read much into the number.

Arealme — the entertainment pick

A huge free quiz portfolio in dozens of languages with instant results and real shareable fun. Treat the IQ numbers as entertainment: the calibration claims aren't published, and the site's strength is breadth, not psychometrics.

BrainManager — paid, read the checkout

As of July 2026 the IQ test requires an account and payment (a free short version is advertised as "coming"). The content around the tests is polished, but independent reviews have documented a trial-price checkout that converts to a monthly subscription — if you buy, read the payment page carefully and calendar the cancellation date.

The "$0.99 results" pattern — avoid

Several heavily-advertised sites share one design: a decent-looking 20–40 item test, a dramatic "calculating your score…" screen, then a small "results fee" that enrolls you in a $20–30/month subscription documented across Trustpilot and BBB complaints — often alongside a flattering 145–160 score to make the charge feel worth it. Any test that hides the price until after your effort is telling you its business model.

Where IQ Check is weakest (our own row, audited)

Fairness cuts both ways: we are the newest site on this list; our norms are provisional calibration assumptions (documented openly, re-normed as data accumulates) rather than a standardized sample; and we measure matrix reasoning only — no verbal or memory batteries. What we believe we do best: fresh generated items every attempt, age norms from 6 up, a practice mode that teaches the rules, and interpretation pages for every score — with no email field anywhere on the site.

Judge it yourself in 25 minutes

35 fresh puzzles, honest ceiling, full result free — the criteria above, implemented.

Start the Free IQ Test

Choosing an IQ test — common questions

What is the best free IQ test overall?

It depends on the goal. For a full-length test with honest scoring and fresh items on every attempt: ours or Mensa Norway's practice test (both 35 puzzles, 25 minutes, capped at 145). For the quickest decent free estimate: MyIQTested (33 items, ~10 minutes) or 123test's 10-item version. For supervised-test pedigree: Mensa Norway. The one pattern to avoid is any test that shows a timer for twenty minutes and a price at the end.

Is any online IQ test actually accurate?

All of them — including ours — are screening estimates, not measurements. A well-built online matrix test typically lands within about ±7 points of a professionally administered score, with accuracy degrading near the extremes. Anything a website tells you beyond that (personalized "cognitive profiles" from 20 questions, scores above 150) is decoration. Only supervised, individually administered tests are accepted by schools, clinicians or Mensa.

Which free test is best for Mensa preparation?

Mensa Norway's practice test is the closest to the real admission format and is published by an actual Mensa chapter. Its weakness is a fixed item bank — your second attempt is inflated. A sensible sequence: learn the rule families with our practice questions (explanations included), take our full test for an honest estimate with fresh items, then use Mensa Norway as the final dry run.

Why do some IQ tests charge $0.99 to see results?

Because the price is not the product — the subscription is. The documented pattern (see Trustpilot and BBB complaints for several such sites): a "results fee" of $0.99–$1.99 quietly enrolls you in a $20–30/month subscription, refunds are refused, and users resort to chargebacks. A legitimate paid product looks like 123test's professional version: a clearly-priced one-time purchase, with the free tier still showing you a real result.

Are paid IQ tests more accurate than free ones?

Payment buys accuracy only when it buys supervision — a psychologist administering a WAIS or Stanford-Binet. Between two online tests, price signals nothing: the mechanics (item quality, norming, honest ceilings) are what matter, and this page shows several free tests doing those things better than paid ones.