Best Challenging Apps & Games

234+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated October 2026

Whether you're new to challenging or looking for an upgrade, our curated collection of 234+ 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 Challenging Apps & Games (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Brain Test: Tricky PuzzlesBrain Test: Tricky PuzzlesFree4.8★ (1.5M)YesYesOct 2026
2Brain It On!Brain It On!Free4.5★ (5.2K)YesYesOct 2026
3Impulse - Brain TrainingImpulse - Brain TrainingFree4.7★ (850K)YesYesOct 2026
4Meme Challenge-Funny Card GameMeme Challenge-Funny Card GameFree4.7★ (229K)YesYesOct 2026
5Only 1% Challenges:Tricky GameOnly 1% Challenges:Tricky GameFree4.4★ (8.2K)YesYesOct 2026
6Word Galaxy ChallengeWord Galaxy ChallengeFree4.7★ (72K)YesYesOct 2026
7Sudoku - Brain Puzzle GamesSudoku - Brain Puzzle GamesFree4.8★ (311K)YesYesOct 2026
875 Challenge - Life Reset75 Challenge - Life ResetFree5.0★ (11)NoYesOct 2026

Top Picks for Challenging

Brain Test: Tricky Puzzles#1

Brain Test: Tricky Puzzles by UNICO STUDIO

Can you solve them all?
Editor's Choice
🎮 Games
4.8😐(1.5M ratings)
FreeAdsIn-App Purchases
#3in 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
  • 😠 Ads are unskippable
Brain It On!#2

Brain It On! by Orbital Nine Games Inc

Challenging Physics Puzzles
Strong Contender
🎮 Games
4.5😊(5.2K ratings)
FreeAdsIn-App Purchases
Brain It On! screenshot 1
Brain It On! screenshot 2
Brain It On! screenshot 3
Brain It On! screenshot 4
Brain It On! screenshot 5

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.

What We Love

  • 🚀 Challenging and fun
  • 🔒 No ads
  • 👍 Engaging physics-based puzzles
  • 👍 Encourages creative thinking
  • 👍 Good for brain exercise

Room to Improve

  • 🐛 Drawing accuracy issues
  • 🐛 Glitches and crashes
  • 🐛 Difficulty spikes too quickly
  • 🔋 Overheating on some devices
  • 👎 Too many ads for hints
Impulse - Brain Training#3

Impulse - Brain Training by GMRD Apps Limited

Mental Health Games & Puzzles
Worth Considering
📚 Education
4.7😊(850K ratings)
FreeAdsIn-App Purchases
#14in Education
Impulse - Brain Training screenshot 1
Impulse - Brain Training screenshot 2
Impulse - Brain Training screenshot 3
Impulse - Brain Training screenshot 4
Impulse - Brain Training screenshot 5
Impulse - Brain Training screenshot 6

Enhance your cognitive abilities with personalized brain training games and puzzles. Discover your mental strengths and weaknesses through self-discovery tests, and track your progress over time to build a sharper mind.

What We Love

  • 🤩 Engaging and fun brain games
  • 🧠 Helpful for improving focus, memory, and cognitive abilities
  • 📈 Tracks progress and compares to peers
  • 🧘‍♀️ Relaxing and calming experience
  • 🏆 Motivating to improve scores and skills

Room to Improve

  • 💰 Expensive subscription model, with limited free access
  • 🤖 Misleading ads and paywalls for test results
  • 🙄 Excessive ads and upselling in free version
  • 🔒 Difficult to cancel subscription
  • 🤨 Questionable accuracy of personality/IQ tests

More Challenging apps to explore

FAQ about Challenging

What are the best challenging apps & games for iPhone?
Brain Test: Tricky Puzzles tops our challenging apps & games ranking as of October 2026, with a 4.8-star average from 1.5M App Store ratings, and it's free to download.
Yes — 20 of the top challenging apps & games we rank are free to download, including Brain Test: Tricky Puzzles and Brain It On!.
Brain Test: Tricky Puzzles shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 234+ challenging apps & games on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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