Best Iq Challenge Book Apps & Games

180+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated June 2026

Looking for free iq challenge book apps and games? 20 of our 180+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Iq Challenge Book

IQ Challenge Book#1

IQ Challenge Book by Adrian Minca

Editor's Choice
🎮 Games
5.0(1 ratings)
Free
IQ Challenge Book screenshot 1
IQ Challenge Book screenshot 2
IQ Challenge Book screenshot 3
IQ Challenge Book screenshot 4

Assess your intelligence level with this application that provides an IQ score based on your answers to a series of questions. It categorizes your score according to a standard IQ scale, ranging from genius to feeble-mindedness. Test your limits and discover your intelligence quotient.

IQ: how SMART am I?#2

IQ: how SMART am I? by Indigo Penguin Limited

Strong Contender
🔧 Utilities
2.3😞(48K ratings)
Free
IQ: how SMART am I? screenshot 1

Test your intelligence with a variety of challenges. Discover your cognitive abilities and see how you measure up. This app offers a fun way to assess your mental acuity.

What We Love

  • 🤡 Funny
  • 🎉 Fun game

Room to Improve

  • 🤔 Inaccurate
  • 🤯 Terrible
  • 🙄 Not great
IQ Test - Aptitude Test#3

IQ Test - Aptitude Test by Test Apps Limited

Real IQ Score & Quiz Questions
Worth Considering
📚 Education
4.7😞(1.6K ratings)
FreeAdsIn-App Purchases
IQ Test - Aptitude Test screenshot 1
IQ Test - Aptitude Test screenshot 2
IQ Test - Aptitude Test screenshot 3
IQ Test - Aptitude Test screenshot 4
IQ Test - Aptitude Test screenshot 5
IQ Test - Aptitude Test screenshot 6

Discover your Intelligence Quotient with this comprehensive app. It offers a quick 4-minute test with instant scoring and detailed feedback on correct and incorrect answers. Focuses on mathematical ability to help you improve cognitive skills.

What We Love

  • ✅ Consistent scoring on repeated attempts
  • 🧠 Engaging brain training experience
  • 🆓 Free to use without mandatory signup
  • ⚡ Quick and easy test completion

Room to Improve

  • ❌ Incorrect answer keys and wrong answers marked correct
  • 💰 Deceptive pricing and unexpected charges
  • 📊 Highly inconsistent and unreliable scoring

More Iq Challenge Book apps to explore

4
IQ Test Brain Training Riddles
IQ Test Brain Training Riddles
IQ Test Brain Training Riddles
Improve your brain power
Free

Engage in a free IQ test and brain-training exercises designed to boost cognitive skills. Scientifically developed, this app offers various tasks to improve processing speed, memory, and logical thinking. Compare your scores with friends and track your progress.

Free IQ testBrain booster tasksExercise mode with solutions
🎮 Games
(8K)
free with in-app purchases
5
Puzzle Master - Test Your IQ
Puzzle Master - Test Your IQ
Puzzle Master - Test Your IQ
#1 puzzle
Free

Engage your mind with a variety of challenging puzzles that test your mathematical and physical reasoning. Simple controls lead to complex problems requiring accurate calculation to progress through levels. Enjoy a fun and mentally stimulating experience.

Variety of puzzlesSimple operationMathematical skills test
🎮 Games
(1.7K)
ad-supported
6
The IQ Test : Lite Edition
The IQ Test : Lite Edition
The IQ Test : Lite Edition
1400+ Questions, 13 Topics
Free

Assess and improve your cognitive abilities with a comprehensive IQ test. It measures general intelligence and performance across 13 specific areas, providing detailed results and progress tracking.

Measures general IQAssesses 13 areas of intelligenceDetailed test results with explanations
📚 Education
(119)
free with in-app purchases
7
IQ Boost: Brain Trainer, Games
IQ Boost: Brain Trainer, Games
IQ Boost: Brain Trainer, Games
Daily Memory & Logic Puzzles
Free

Enhance your cognitive abilities with daily brain training games. Improve memory, logic, and focus through scientifically designed puzzles and AI-powered personalized challenges. Track your progress and elevate your mental performance.

IQ Test & Brain GamesMemory GamesLogic Puzzles
📚 Education
(4.7K)
subscription
8
Real IQ Test
Real IQ Test
Real IQ Test
Get your IQ score
Free

Assess your cognitive abilities with a comprehensive IQ test. This application provides a quick and accurate assessment of your intelligence quotient, delivering your score immediately upon completion. It features a timed test with carefully selected questions to gauge your intellectual capacity.

Accurate IQ assessment30 balanced questions30-minute time limit
📚 Education
(88)
ad-supported
9
IQ Test Pro Edition
IQ Test Pro Edition
IQ Test Pro Edition
#1 DE #2 US More than 5M down
Free
$2.99 | 100% OFF

Assess your intelligence with two distinct tests, each featuring a set of questions designed to gauge your cognitive abilities. This app provides solutions and an average IQ score, offering a fun way to stimulate your mind. It's available for both iPad and iPhone.

Two different IQ testsIncludes solutionsCalculates average IQ
🎮 Games
(140)
free
10
IQ and R
IQ and R
IQ and R
Illusion, Quiz and Riddles
Free

Engage your mind with a vast collection of illusions, quizzes, and riddles. Challenge yourself and friends with hundreds of brain-teasing puzzles. Test your intellect and discover new ways to think.

Hundreds of illusionsHundreds of quizzesHundreds of riddles
🎮 Games
(5.9K)
ad-supported
11
Logical IQ Test
Logical IQ Test
Logical IQ Test
IQ Test
Free

This app offers weekly IQ tests to assess and enhance your logical thinking skills. No prior math or language knowledge is required. Each test features 30 questions of escalating difficulty, providing immediate results and detailed solutions.

Weekly IQ testsLogical thinking improvement30 questions per test
🎮 Games
(654)
free with in-app purchases
12
IQ Test: Intelligence Test
IQ Test: Intelligence Test
IQ Test: Intelligence Test
Measure your IQ now!
Free

Measure your intelligence and IQ with a variety of tests. Analyze your analytical, spatial, and theoretical skills through visual-based questions. See detailed results and understand the components contributing to your IQ score.

Multiple IQ test typesRavens Progressive Matrices style questionsMental test for emotional vs logical levels
🎬 Entertainment
(318)
free with in-app purchases
13
European IQ Test: Brain Score
European IQ Test: Brain Score
European IQ Test: Brain Score
Super Brain Club Measure Quiz
Free

Assess your mental abilities with a scientifically valid IQ test. It measures general intelligence and performance across six distinct areas, revealing your cognitive strengths and weaknesses. Previously for professional use, it's now accessible to everyone.

Scientifically valid IQ testMeasures general IQAssesses 6 areas of intelligence
🔧 Utilities
(46)
ad-supported
14
IQ Masters: Brain Games, Tests
IQ Masters: Brain Games, Tests
IQ Masters: Brain Games, Tests
Memory Training for Adults
Free

Enhance your memory, logic, and cognitive abilities with a variety of brain teasers, tests, and engaging games. Explore your personality and intelligence through diverse challenges designed for mental agility and self-improvement.

Cognitive memory trainingLogic and mind gamesBrain teasers and exercises
📚 Education
(64K)
free with in-app purchases
15
Only 1% Challenges:Tricky Game
Only 1% Challenges:Tricky Game
Only 1% Challenges:Tricky Game
Test your mind and skills!
Free

Engage in a variety of competitive challenges designed to test your cognitive abilities, including reflexes, focus, and IQ. Compete globally, share results with friends, and strive for the top 1%. Offers daily challenges and various game modes for endless fun.

Competitive challengesCognitive skill testingGlobal leaderboards
🎮 Games
(8.2K)
free with in-app purchases
16
IQ Test Classic
IQ Test Classic
IQ Test Classic
by Pop-Hub Limited
Free

Accurately measure your intelligence quotient with this classic IQ test. Receive a certificate of your score and global ranking after completing the test. Share your results with friends and understand your cognitive abilities.

Expert-prepared accurate IQ testIQ certificate and global rankingClassic and Mensa test options
🔧 Utilities
(64)
free with in-app purchases
17
What's my IQ?
What's my IQ?
What's my IQ?
The average IQ is 100!
Free

Test your intelligence with a challenging IQ assessment. Solve a variety of math problems and puzzles to gauge your problem-solving skills and understanding of new concepts. Receive an IQ score to compare yourself to others and discover your cognitive strengths.

IQ test assessmentMath and puzzle questionsReceive IQ score
🎮 Games
(182)
free with in-app purchases
18
Stupid Test! Genius Brain Game
Stupid Test! Genius Brain Game
Stupid Test! Genius Brain Game
The worlds easiest trivia quiz
Free

Challenge your intellect with a fun trivia quiz designed to assess your smarts. Prove to friends you're not unintelligent by taking various difficulty tests. This app is for entertainment and brain-testing fun.

Stupid test for intelligence assessmentMultiple difficulty levelsProve intelligence to friends
🎮 Games
(1.3K)
ad-supported
19
IQ Test: Fun Intelligence Quiz
IQ Test: Fun Intelligence Quiz
IQ Test: Fun Intelligence Quiz
Logic puzzles & brain teasers
Free
$1.99 | 100% OFF

Measure your intelligence quotient with a premium IQ test. Solve logic puzzles and brain teasers to discover your score and global ranking. The app offers unlimited tests, detailed analysis, and solutions to help you improve.

Accurate and expert-prepared IQ testInteractive and engaging user interfaceUnlimited IQ tests
🎮 Games
(1.2K)
freemium
20
IQ Test: Brain Cognitive Games
IQ Test: Brain Cognitive Games
IQ Test: Brain Cognitive Games
Medical Games for Adults Mind
Free

Measure your intelligence quotient (IQ) with a professional, culture-free testing method. Discover your intellectual age, compare yourself to celebrities, and manage results for personal or professional use. Get detailed explanations and review errors to understand your cognitive abilities.

Culture-free IQ testing methodDetermine intellectual ageCompare IQ to celebrities
📚 Education
(2.9K)
free with in-app purchases