Best Challenger Brain Apps & Games

234+ iOS apps & games curated and reviewed

4.1 avg rating
20 free apps & games
Updated August 2026

Brain Test 5 is the household name in challenger brain, but it's far from the only option. We track 234+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Challenger Brain Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Brain Test 5: Tricky ChallengeBrain Test 5: Tricky ChallengeFree4.7★ (1.8K)YesYesAug 2026
2Brain Out 2 - Tricky ChallengeBrain Out 2 - Tricky ChallengeFree4.7★ (452)YesYesAug 2026
3Brain Challenge - Train memoryBrain Challenge - Train memoryFree4.4★ (65)YesYesAug 2026
4Brain It On!Brain It On!Free4.5★ (5.1K)YesYesAug 2026
5Word Dots - Find Target Words, Brain Challenge PuzzlesWord Dots - Find Target Words, Brain Challenge PuzzlesFree5.0★ (3)NoYesAug 2026
6Annoying Brain ChallengeAnnoying Brain ChallengeFree4.3★ (109)YesYesAug 2026
7Troll Pencil: Brain ChallengeTroll Pencil: Brain ChallengeFree4.3★ (19)YesYesMay 2026
8Not Not 2 - A Brain ChallengeNot Not 2 - A Brain ChallengeFree4.7★ (80)YesYesAug 2026

Top Picks for Challenger Brain

Brain Test 5: Tricky Challenge#1

Brain Test 5: Tricky Challenge by UNICO STUDIO

Tricky Brain Puzzle Games
Editor's Choice
🎮 Games
4.7(1.8K ratings)
FreeAdsIn-App Purchases
#19in Games
Brain Test 5: Tricky Challenge screenshot 1
Brain Test 5: Tricky Challenge screenshot 2
Brain Test 5: Tricky Challenge screenshot 3
Brain Test 5: Tricky Challenge screenshot 4
Brain Test 5: Tricky Challenge screenshot 5
Brain Test 5: Tricky Challenge screenshot 6

Engage in a challenging brain quest with impossible puzzles and clever games. This offline, ad-free experience offers endless fun and an IQ boost, testing your logic and problem-solving skills with new characters and stories.

Brain Out 2 - Tricky Challenge#2

Brain Out 2 - Tricky Challenge by EYEWIND LIMITED

Pass Tricky Brain Test Puzzle!
Strong Contender
🎮 Games
4.7😐(452 ratings)
FreeAdsIn-App Purchases
Brain Out 2 - Tricky Challenge screenshot 1
Brain Out 2 - Tricky Challenge screenshot 2
Brain Out 2 - Tricky Challenge screenshot 3
Brain Out 2 - Tricky Challenge screenshot 4
Brain Out 2 - Tricky Challenge screenshot 5
Brain Out 2 - Tricky Challenge screenshot 6

This game offers a new era of challenging puzzles with unexpected solutions. It's designed to test cognitive abilities and push players' limits with creative, unconventional challenges. Enjoy mind-bending levels offline with engaging visuals and music.

What We Love

  • 🤩 Interesting and engaging puzzles
  • 👍 Simple and intuitive gameplay
  • 🧠 Challenges your brain
  • 🎨 Cute and appealing visuals

Room to Improve

  • 🤬 Excessive advertisements
  • 🤯 Some levels are too easy
  • 💰 Paywall for removing ads
Brain Challenge - Train memory#3

Brain Challenge - Train memory by Jan-Niklas FREUNDT

Improve with daily workouts
Worth Considering
🎮 Games
4.4😐(65 ratings)
FreeAdsIn-App Purchases
Brain Challenge - Train memory screenshot 1
Brain Challenge - Train memory screenshot 2
Brain Challenge - Train memory screenshot 3
Brain Challenge - Train memory screenshot 4
Brain Challenge - Train memory screenshot 5

Engage in a comprehensive brain training program with fun and challenging games. Improve memory, focus, logic, and reaction skills through personalized daily workouts and auto-adapting difficulty levels. Compete with friends and track your progress with detailed statistics.

What We Love

  • 🧠 Great for brain training
  • 💡 Creative and fun challenges
  • 💰 One-time premium purchase
  • ⏱️ Quick daily workouts

Room to Improve

  • ❓ Lack of clear instructions
  • 😵 Tutorials are obscure
  • 💸 Premium version is expensive

More Challenger Brain apps to explore

4
Brain It On!
Brain It On!
Brain It On!
Challenging Physics Puzzles
Free

Engage your mind with tricky physics puzzles. Draw shapes to find creative solutions to increasingly difficult challenges. Compete with friends and discover multiple ways to solve each puzzle.

Dozens of brain-busting puzzlesPuzzles added regularlyCompete with friends
🎮 Games
(5.1K)
free with in-app purchases
5
Word Dots - Find Target Words, Brain Challenge Puzzles
Word Dots - Find Target Words, Brain Challenge Puzzles
Word Dots - Find Target Words, Brain Challenge Puzzles
by 琳 陶
Free

Connect letters by swiping in any direction to find hidden words. This game offers over 800 challenging levels designed to improve vocabulary and spelling skills.

Swipe to connect lettersFind hidden wordsOver 800 levels
🎮 Games
(3)
free with in-app purchases
6
Annoying Brain Challenge
Annoying Brain Challenge
Annoying Brain Challenge
Brain Quest - Tricky Puzzle
Free

Engage your mind with a variety of challenging logic puzzles. Solve unique levels with different stories and tricky gameplay within a time limit. This game requires careful thought and strategic techniques to overcome its many brain teasers.

Multiple logic puzzlesUnique levels with different storiesTimed challenges
🎮 Games
(109)
free with in-app purchases
7
Troll Pencil: Brain Challenge
Troll Pencil: Brain Challenge
Troll Pencil: Brain Challenge
Troll Pencil: Brain Challenge
Free

Engage in a brain puzzle game with unpredictable tasks that challenge your thinking. Draw missing elements or erase parts of drawings to solve puzzles and uncover hidden twists. Enjoy hours of fun with attractive graphics and entertaining effects.

Draw missing elementsErase to reveal hidden contentSolve unpredictable puzzles
🎮 Games
(19)
free with in-app purchases
8
Not Not 2 - A Brain Challenge
Not Not 2 - A Brain Challenge
Not Not 2 - A Brain Challenge
Have fun getting smarter!
Free

Engage your mind with a brain-training puzzle game that challenges your orientation, logic, and color perception. Solve increasingly complex puzzles, compete in daily challenges, and unlock collectibles to enhance your cognitive skills in this fun and addictive experience.

Orientation, logic, and color puzzlesNew game modes and levelsDaily challenges and leaderboards
🎮 Games
(80)
free with in-app purchases
9
Axon - Challenge Your Brain
Axon - Challenge Your Brain
Axon - Challenge Your Brain
by Bigpoint GmbH
Free

Engage in a unique multicolor Picross game where you color cells in a grid based on edge numbers to reveal pictures. Solve thousands of logic puzzles, test your brain, and compete with others globally. Enjoy exciting gameplay with special bricks and track your progress.

Color cells based on edge numbersThousands of logic picture puzzlesUnlock and master new levels
🎮 Games
(56)
free with in-app purchases
10
Brain Challenge : Code Breaker
Brain Challenge : Code Breaker
Brain Challenge : Code Breaker
by ARAPPDEV
Free

Test your visual and auditory memory by re-entering increasingly longer codes. This addictive game challenges your recall with a unique nine-digit keyboard.

Visual and auditory memory challengeIncreasingly longer codesScore based on speed
🎮 Games
(26)
free
11
Riddles - Great Challenge for your Brain and Erudition. Fascinating intellectual game
Riddles - Great Challenge for your Brain and Erudition. Fascinating intellectual game
Riddles - Great Challenge for your Brain and Erudition. Fascinating intellectual game
by Anton Kartunov
Free

Test your intellect with a collection of over 90 engaging riddles. Earn coins by solving puzzles to unlock hints for more challenging levels. Share riddles with friends and showcase your erudition.

Solve over 90 riddlesEarn coins for completed levelsSpend coins on hints
🎮 Games
(15)
free with in-app purchases
12
FlipPairs - Brain Challenge
FlipPairs - Brain Challenge
FlipPairs - Brain Challenge
Challenge & Train your Brain
Free

This game is designed to exercise your memory and improve concentration. It offers a visually appealing experience for users looking to train their cognitive skills.

Memory exerciseConcentration improvementBeautiful design
🎮 Games
(1)
free
13
OkuDoku Number Brain Challenge
OkuDoku Number Brain Challenge
OkuDoku Number Brain Challenge
Fun New IQ Board Puzzle Game
Free

This game blends Sudoku and Tetris mechanics, challenging players to strategically place numbered blocks to form lines and squares. Compete against your own high scores or tackle daily challenges with predefined board setups.

Combine Sudoku and Tetris gameplayDrag and drop numbered blocksScore by completing lines and squares
🎮 Games
(81)
ad-supported
14
I-Say - Challenge Your Brain
I-Say - Challenge Your Brain
I-Say - Challenge Your Brain
by Eli Bitton
Free

Test your cognitive skills with a challenging color-matching game. Follow sequences and avoid mistakes to advance through levels. It's a fun way to keep your mind sharp.

Color sequence memoryReaction time challengesBrain training gameplay
🎮 Games
(0)
free
15
Brain Tricks: Fun Puzzle Quest
Brain Tricks: Fun Puzzle Quest
Brain Tricks: Fun Puzzle Quest
Tricky Puzzle: Brain Challenge
Free

Engage in a creative puzzle game filled with humor and unexpected solutions. Solve brain teasers through imagination, combining objects, and thinking outside the box in various funny scenarios.

Creative puzzle solvingUnexpected solutionsFunny stories and situations
🎮 Games
(1)
free with in-app purchases
16
Dark Maze - brain challenging game
Dark Maze - brain challenging game
Dark Maze - brain challenging game
by Quantis, Inc.
Free
🎮 Games
(0)
17
Brain Puzzle Challenge
Brain Puzzle Challenge
Brain Puzzle Challenge
Train your brain!
Free
🎮 Games
(0)
18
Brain Color Challenge - BCC
Brain Color Challenge - BCC
Brain Color Challenge - BCC
#1 Color Switch Training Game
Free

This addictive brain training game offers simple yet engaging gameplay designed to relieve stress. Enjoy well-designed levels with great music and intuitive controls, suitable for players of all ages.

Online leaderboardSimple and addictive gameplayGreat music and sounds
🎮 Games
(2)
free
19
Memory Trainer Brain Challenge - Intellect Mind Experiment
Memory Trainer Brain Challenge - Intellect Mind Experiment
Memory Trainer Brain Challenge - Intellect Mind Experiment
by Adam Keninger
Free

Challenge your mind with a memory game where numbers appear briefly and must be recalled in order. Compete on a global leaderboard and improve your recall speed and accuracy. This game is designed to enhance cognitive function through engaging gameplay.

Number recall challengesIncreasing difficulty levelsScore-based progression
🎮 Games
(4)
free
20
Brain 100 - A Memory Challenge
Brain 100 - A Memory Challenge
Brain 100 - A Memory Challenge
A Memory Challenge Game
Free

Test your memory with a challenging tile-matching game featuring cute cats. Start with a small board and increase the difficulty as you progress. This addictive game offers hours of entertainment.

Memory tile matchingIncreasing board sizes (3x3 to 6x6)Cute cat imagery
🎮 Games
(10)
free

FAQ about Challenger Brain

What are the best challenger brain apps & games for iPhone?
Brain Test 5: Tricky Challenge tops our challenger brain apps & games ranking as of August 2026, with a 4.7-star average from 1.8K App Store ratings, and it's free to download.
Yes — 20 of the top challenger brain apps & games we rank are free to download, including Brain Test 5: Tricky Challenge and Brain Out 2 - Tricky Challenge.
Brain Test 5: Tricky Challenge shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 234+ challenger brain apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Brain Test 5: Tricky Challenge is a brain quest game filled with impossible puzzles, clever brain games, and tricky riddles. It's designed to challenge your mind, improve cognitive skills, and enhance problem-solving abilities through creative and fun levels.
Key features include impossible puzzles, clever brain games, offline gameplay with multi-stage levels, tricky riddles that challenge logic, and brain training elements to improve cognitive skills. It also offers an ad-free option and problem-solving challenges.