By Experts

Take the #1 Online IQ Test - Get Your Score Instantly Without Signing Up

Used by over 1M people. Scientifically designed. 6 minutes to results.

Fast

Get your results in under 6 minutes — no signup needed

Accurate

Validated by cognitive science experts

Fun

Used by 1M+ people for daily brain training

Why Choose IQ Tester?

Our platform combines scientific rigor with competitive fun to give you the most engaging IQ testing experience.

Scientific Design

Questions crafted by cognitive scientists covering 4 key areas of intelligence.

Anti-Cheat Protected

Advanced algorithms detect suspicious patterns to ensure fair rankings.

Global Leaderboards

Compete with users worldwide. See how your country and state ranks.

Instant Results

Get your IQ score, percentile, and ranking immediately after completing.

Track Progress

Build daily streaks and watch your cognitive abilities improve over time.

Earn Badges

Unlock exclusive badges for achievements like Top 1% Club and streak milestones.

How It Works

Get your IQ score in just 3 simple steps

01

Start the Test

Enter your name and location. No sign-up required - we create an anonymous account for you.

02

Answer 25 Questions

60 seconds per question across pattern recognition, logic, spatial reasoning, and number series.

03

Get Your Results

See your IQ score, percentile ranking, and how you compare to users in your region.

Compete on Global Leaderboards

See how you stack up against users from around the world. Filter by country, state, age group, or weekly rankings. Earn your spot in the Top 1% Club!

  • Real-time global rankings
  • Country and state leaderboards
  • Weekly competition resets
  • Age-group comparisons
  • Exclusive badges for top performers
View Leaderboards

Top Performers

Global
#1🇺🇸Alex M.🏆
156IQ
#2🇮🇳Priya S.🥈
152IQ
#3🇩🇪Hans W.🥉
149IQ
#4🇯🇵Yuki T.
147IQ
#5🇬🇧Emma L.
145IQ
Your potential rankTake the test to find out →

Frequently Asked Questions

How accurate is this IQ test?
Our test uses scientifically-designed questions covering pattern recognition, logical reasoning, spatial awareness, and numerical ability. While no online test can replace a professional assessment, our methodology provides a reliable estimate of cognitive ability.
How long does the test take?
The test consists of 25 questions with a 60-second time limit per question. Most users complete it in 15-20 minutes.
Can I retake the test?
You can take one test per day. This ensures fair competition on leaderboards and encourages users to perform their best on each attempt.
How is my IQ score calculated?
Your score is calculated server-side using a normalized distribution. We compare your performance against our global user base to determine your percentile and estimated IQ.
Is my data secure?
Yes! We use industry-standard encryption and never share your personal information. Your test results are tied to an anonymous account unless you choose to add a display name.

What our users say

"Rated 4.8/5 by over 12,000 users worldwide"

"Seeing my improvement keeps me motivated!"

With my hectic schedule, it's hard to stay consistent, but this made it effortless. Watching my progress grow each day gives me the push to keep going!

👨‍💼

Smith

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"Tracking progress is so rewarding"

As someone with a very busy lifestyle, I don't have much time for myself, but this easily became part of my daily routine. Tracking progress is so rewarding!

👩‍🎓

Erin

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"Just a couple of weeks of daily brain training"

Really impressive. I started noticing a change in memory and concentration after just a couple of weeks of daily brain training.

👨‍💻

Aiden

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