Best Challenger Brain Apps & Games

232+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated September 2026

Brain Test 5 is the household name in challenger brain, but it's far from the only option. We track 232+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Challenger Brain Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Brain Test 5: Tricky ChallengeBrain Test 5: Tricky ChallengeFree4.7★ (1.8K)YesYesSep 2026
2Brain Out 2 - Tricky ChallengeBrain Out 2 - Tricky ChallengeFree4.7★ (452)YesYesSep 2026
3Brain Challenge - Train memoryBrain Challenge - Train memoryFree4.4★ (66)YesYesSep 2026
4Annoying Brain ChallengeAnnoying Brain ChallengeFree4.3★ (109)YesYesSep 2026
5Brain It On!Brain It On!Free4.5★ (5.1K)YesYesSep 2026
6Not Not 2 - A Brain ChallengeNot Not 2 - A Brain ChallengeFree4.7★ (80)YesYesSep 2026
7Axon - Challenge Your BrainAxon - Challenge Your BrainFree3.7★ (56)NoYesMay 2026
8Troll Pencil: Brain ChallengeTroll Pencil: Brain ChallengeFree4.3★ (19)YesYesMay 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
#24in 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
  • 🐛 Bugs and glitches in certain levels
Brain Challenge - Train memory#3

Brain Challenge - Train memory by Jan-Niklas FREUNDT

Improve with daily workouts
Worth Considering
🎮 Games
4.4😐(66 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
  • 🏆 Duel feature for competition
  • 👍 Good concept and design
  • 🚀 Improves reaction time
  • 😊 Stress relief benefits
  • 💯 Worth the premium price
  • ✨ Engaging mini-games
  • 💪 Helps memory and calculation
  • 🌟 Good for focus and entertainment
  • 👍 Developers are attentive

Room to Improve

  • ❓ Lack of clear instructions
  • 😵 Tutorials are obscure
  • 💸 Premium version is expensive
  • 😩 Some games are hard to understand
  • 📉 Graphics are a bit basic
  • 🐌 Slow progression in some games
  • 🚫 No difficulty level selection
  • 🗣️ Ads can be intrusive
  • 🤔 Unclear meaning of colors in games
  • 🔄 Some games don't work correctly
  • 💸 Double payment for premium

More Challenger Brain apps to explore

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 September 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 September 2026.
We track 232+ challenger brain apps & games on the iOS App Store as of September 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.