Best Hardest Quiz Apps & Games

176+ iOS apps & games curated and reviewed

4.4 avg rating
20 free apps & games
Updated June 2026

Whether you're new to hardest quiz or looking for an upgrade, our curated collection of 176+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Hardest Quiz Apps & Games (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Impossible Quiz!The Impossible Quiz!Free3.0★ (388)NoYesJul 2026
2Hardest Quiz Ever!Hardest Quiz Ever!Free4.8★ (3.6K)NoYesJul 2026
3Brain Test: Tricky PuzzlesBrain Test: Tricky PuzzlesFree4.8★ (1.4M)YesYesJul 2026
4The Moron Test: IQ Brain GamesThe Moron Test: IQ Brain GamesFree4.7★ (19K)YesYesJul 2026
5Impossible Quiz - Hard TestImpossible Quiz - Hard TestFree4.7★ (23)YesNoJul 2026
6Hardest Quiz Ever 2!Hardest Quiz Ever 2!Free4.2★ (40)NoYesMay 2026
7QuizTime - TriviaQuizTime - TriviaFree4.5★ (53K)YesYesJul 2026
8General Knowledge Quiz !General Knowledge Quiz !Free4.6★ (2.3K)YesYesJul 2026

Top Picks for Hardest Quiz

The Impossible Quiz!#1

The Impossible Quiz! by inXile Entertainment

Editor's Choice
🎬 Entertainment
3.0😐(388 ratings)
FreeIn-App Purchases
The Impossible Quiz! screenshot 1
The Impossible Quiz! screenshot 2
The Impossible Quiz! screenshot 3

This app offers a challenging and unpredictable quiz experience with over 100 questions, including new mind-bending puzzles and augmented reality challenges. It requires quick thinking, luck, and out-of-the-box logic to progress. Save your progress with purchasable bookmarks.

What We Love

  • 🤖 Challenging and addictive gameplay
  • 🤡 Funny and unique questions
  • 🎮 Exactly like the original PC version

Room to Improve

  • 🐛 Buggy AR questions that don't work properly
  • 🤯 Frustratingly difficult and impossible to complete
  • 💰 Monetization with paid checkpoints
Hardest Quiz Ever!#2

Hardest Quiz Ever! by Leigh Be

A very difficult test!
Strong Contender
🎮 Games
4.8😊(3.6K ratings)
FreeIn-App Purchases
Hardest Quiz Ever! screenshot 1
Hardest Quiz Ever! screenshot 2
Hardest Quiz Ever! screenshot 3
Hardest Quiz Ever! screenshot 4
Hardest Quiz Ever! screenshot 5

Test your intellect and problem-solving skills with a challenging quiz. Featuring over 600 questions, this app requires common sense and advanced arithmetic to complete. Compete with friends and use hints or social sharing when you get stuck.

What We Love

  • 🤩 Fun and interesting
  • 👍 Challenging and mind-training
  • 💡 Great for brain exercise
  • 👍 Addictive and engaging

Room to Improve

  • 🤬 Too many ads
  • 🤯 Extremely difficult and frustrating
  • 🤔 Confusing or illogical answers
Brain Test: Tricky Puzzles#3

Brain Test: Tricky Puzzles by UNICO STUDIO

Can you solve them all?
Worth Considering
🎮 Games
4.8😐(1.4M ratings)
FreeAdsIn-App Purchases
#1in Games
Brain Test: Tricky Puzzles screenshot 1
Brain Test: Tricky Puzzles screenshot 2
Brain Test: Tricky Puzzles screenshot 3
Brain Test: Tricky Puzzles screenshot 4
Brain Test: Tricky Puzzles screenshot 5
Brain Test: Tricky Puzzles screenshot 6

Engage your mind with a collection of clever and surprising puzzles that use misdirection and playful logic. This app offers unconventional challenges designed for casual enjoyment and creative thinking, perfect for solo play or sharing.

What We Love

  • 🚀 Fun and challenging
  • 👍 Helps sharpen the mind
  • 😊 Addictive and entertaining

Room to Improve

  • 🤬 Too many ads
  • 🙄 Ads interrupt gameplay
  • 😒 Ads are repetitive

More Hardest Quiz apps to explore

4
The Moron Test: IQ Brain Games
The Moron Test: IQ Brain Games
The Moron Test: IQ Brain Games
Tricky Logic Thinking Puzzles
Free

Engage in a series of challenging logic puzzles and brain teasers designed to test your memory, comprehension, and problem-solving skills. Progress through multiple levels of increasingly difficult challenges and compete with friends to see who can solve them fastest.

Tricky mind puzzlesLogic and memory challengesHundreds of fun puzzles
🎮 Games
(19K)
free with in-app purchases
5
Impossible Quiz - Hard Test
Impossible Quiz - Hard Test
Impossible Quiz - Hard Test
The world's hardest quiz game!
Free

Test your intellect with a challenging quiz game featuring hundreds of tricky questions across 17 levels. Progress by answering 10 questions correctly in a row, or restart the level with any mistake. Are you smart enough for the world's hardest quiz?

Hundreds of tricky questions17 challenging levels10 correct answers to progress
🎮 Games
(23)
ad-supported
6
Hardest Quiz Ever 2!
Hardest Quiz Ever 2!
Hardest Quiz Ever 2!
by Leigh Be
Free

Test your intellect with a challenging quiz featuring 40 difficult questions across various categories. Utilize hints, seek help from friends, and resume your game later. This interactive app requires common sense, arithmetic, and problem-solving skills.

40 very hard questionsIn-game hintsShare questions on social media
🎮 Games
(40)
free with in-app purchases
7
QuizTime - Trivia
QuizTime - Trivia
QuizTime - Trivia
Interesting Trivia App
Free

Engage in a fun quiz app that tests your knowledge across a wide range of categories including logos, music, movies, animals, and general knowledge. Learn new facts and challenge yourself with thousands of interesting pictures and questions.

Logo quizzesMusic and movie triviaAnimal and plant identification
🎬 Entertainment
(53K)
free with in-app purchases
8
General Knowledge Quiz !
General Knowledge Quiz !
General Knowledge Quiz !
by Marco Batista
Free

Test your general knowledge with this engaging quiz game. Answer questions, use lifelines, and compete for virtual riches. Offers both timed and untimed modes for a fun learning experience.

15 questions per gameFour lifelines availableVirtual millionaire prize
🎮 Games
(2.3K)
free with in-app purchases
9
100 PICS Quiz - Picture Trivia
100 PICS Quiz - Picture Trivia
100 PICS Quiz - Picture Trivia
Guess The Word Puzzle Games
Free

Engage your brain with a vast collection of picture trivia and word puzzle games. Guess logos, emojis, movies, and more across over 100 topics. New packs are added weekly, offering endless challenges for all interests.

Over 10,000 pictures to guessOver 100 quiz topicsNew game packs added weekly
🎮 Games
(73K)
free with in-app purchases
10
Brain Who? Tricky Riddle Tests
Brain Who? Tricky Riddle Tests
Brain Who? Tricky Riddle Tests
Who is? Game & Logic Puzzles
Free

Engage your mind with a variety of challenging puzzles and riddles. Unravel mysteries, test your intelligence, and train your brain daily with unique logic games and trivia. Become a riddle master and conquer mind-bending challenges.

Mind-bending riddle challengesLogic puzzles and triviaDaily brain training
🎮 Games
(182K)
free with in-app purchases
11
The Impossible Letter Game
The Impossible Letter Game
The Impossible Letter Game
Extreme Eye Exercise Puzzles
Free

Test your visual acuity and focus with this challenging puzzle game. It presents simple yet incredibly difficult levels designed to push your observational skills to the limit. Prepare for an extreme eye exercise.

Extreme eye exerciseChallenging puzzlesSkill testing
🎮 Games
(17K)
free with in-app purchases
12
Quiz Planet ・
Quiz Planet ・
Quiz Planet ・
Social Quiz & Trivia Game
Free

Engage in a fast-paced social quiz game to challenge friends and other players. Test your knowledge across 19 diverse categories with over 10,000 questions. Climb the leaderboards and discover who knows more.

Multiplayer fun against friends and random playersOver 10,000 quiz questions19 diversified categories
🎮 Games
(15K)
free with in-app purchases
13
DK Quiz
DK Quiz
DK Quiz
by Dorling Kindersley
Free

Test your knowledge across thousands of questions in various categories like music, film, history, and sports. Compete solo on leaderboards or challenge friends in turn-based matches. Play for fun or glory in this engaging quiz experience.

Thousands of quiz questionsMultiple categories (music, film, history, etc.)Solo play and leaderboards
🎮 Games
(178)
free with in-app purchases
14
Trivia Quiz Knowledge
Trivia Quiz Knowledge
Trivia Quiz Knowledge
General knowledge questions
Free

Test your general knowledge with a fun trivia game. Choose from various categories like geography, history, and entertainment to answer questions and earn points. Track your performance with detailed statistics and aim to improve your high score.

Multiple knowledge categoriesTimed question answeringStreak-based scoring
🎮 Games
(21K)
free with in-app purchases
15
Idiot Test - Quiz Game
Idiot Test - Quiz Game
Idiot Test - Quiz Game
The worlds easiest brain test
Free

This challenging quiz game features 15 levels with tricky questions. To advance, you must answer 10 questions correctly in a row; one mistake resets your progress. Test your intellect and prove you're not an idiot by conquering all levels.

15 challenging levels10 correct answers in a row to unlock levelsHundreds of tricky questions
🎮 Games
(599)
free with in-app purchases
16
Tricky Quiz - Genius Brain Test!
Tricky Quiz - Genius Brain Test!
Tricky Quiz - Genius Brain Test!
by Leigh Be
Free

Test your intelligence and problem-solving skills with a challenging quiz. This game features over 600 tricky questions designed to push your common sense and arithmetic abilities. Share your progress and challenge friends to prove your smarts.

600+ tricky questionsGame Center integrationIn-game hints
🎮 Games
(224)
free with in-app purchases
17
Cerebro - The Hardest Quiz
Cerebro - The Hardest Quiz
Cerebro - The Hardest Quiz
Global Ranking & IQ Trivia
Free
🎮 Games
(0)
18
Brain Box Quiz: Trivia Fun
Brain Box Quiz: Trivia Fun
Brain Box Quiz: Trivia Fun
trivia with jokes and laughs!
Free

Engage in a comedy trivia game with a joke-cracking host. Test your knowledge across seven categories with hundreds of questions filled with humor. Play against the clock or in a relaxed mode, utilize hints, and customize your avatar.

Hundreds of trivia questionsSeven trivia categoriesComedy and jokes included
🎮 Games
(1.1K)
free with in-app purchases
19
The Idiot Test: Ultimate - Funny and Impossible Stupidness Test and Quiz Game
The Idiot Test: Ultimate - Funny and Impossible Stupidness Test and Quiz Game
The Idiot Test: Ultimate - Funny and Impossible Stupidness Test and Quiz Game
by Metin Yucel
Free

Challenge your common sense and ability to follow directions with this rigorous quiz game. It features tricky questions designed to make you overthink and question your intelligence. Prove you're not an idiot by beating the test, but be warned: one wrong answer means starting over.

Common sense challengesDirection-following testsTricky and overthinking questions
🎮 Games
(466)
free
20
Hardest Test - Impossible Free Fun Game!
Hardest Test - Impossible Free Fun Game!
Hardest Test - Impossible Free Fun Game!
by Leigh Be
Free

Test your wits with a challenging quiz designed to push your problem-solving skills. Featuring over 600 questions, this game offers hints and social sharing to help you overcome difficult puzzles. Prove your intelligence to yourself and friends with this fun, interactive experience.

600+ challenging questionsGame Center integrationIn-game hints
🎮 Games
(15)
free with in-app purchases

FAQ about Hardest Quiz

What are the best hardest quiz apps & games for iPhone?
The Impossible Quiz! tops our hardest quiz apps & games ranking as of June 2026, with a 3.0-star average from 388 App Store ratings, and it's free to download.
Yes — 20 of the top hardest quiz apps & games we rank are free to download, including The Impossible Quiz! and Hardest Quiz Ever!.
The Impossible Quiz! has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 176+ hardest quiz apps & games on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
The Impossible Quiz is a notoriously difficult and unpredictable quiz game that challenges players with over 100 unique questions. It requires quick reflexes, luck, and insane logic, often forcing players to think outside the box to progress.
Key features include over one hundred questions with classic originals and new mind benders, all-new augmented reality challenges, unique touch screen solutions, and the ability to save progress with purchasable bookmarks. It also features optional ads for a free do-over.

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