Comparison

Brain Wars vs Challenge World

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Brain Wars

Engage in real-time competitive brain training against players worldwide. Solve simple puzzles to outscore opponents, climb global rankings, and challenge friends. Improve your mental concentration and adaptability through continuous, intuitive challenges suitable for all ages.

Highlights
  • Real-time global battles
  • Challenge friends
  • Worldwide rankings
  • Simple brain teasers
  • Intuitive training
  • Adaptable challenges
Features
Read full description

Over 20 million downloads! ◇◆Competitive Brain Training Game◆◇ Increase your brain power and compete against players from around the world! Experience the heated battle that will keep you on your toes! Highly rated by players who enjoy Puzzles Crosswords, Sudoku, and other brain teasers! ▼The Rules ・Outscore your opponents with simple brain teasers! ・Defeat them and climb the worldwide rankings! ・Challenge your friends with real-time matches! ・Increase your Brain Power through continuous challenges! ◆Real-Time Battle Experience Compete with worldwide challengers―LIVE! Test your opponents and push your brain to its limit! ◆Play With Friends! Invite your friends for double the fun! Connect through FaceBook and challenge everyone! ◆Strive For World-class Rankings The stage is the world―Play against players from around the globe and place on the worldwide ranking! ◆Simple & Intuitive Brain Training! Easy to understand mental training rules and concepts suitable for all ages! ◆The key to matches? Brain Teasers don't contain certain subjects or languages! Train your brain and easily adapt through repetition! ◆New and Updates ・Official FaceBook Page https://www.facebook.com/brainwars ・Official Twitter https://twitter.com/brainwars_jp ▼Details BrainWars is a mental concentration battle game for players from around the world. Players of all ages can participate in this through simple brain teasers and compete with each other. Brain Teasers do not require special knowledge so everyone can improve their brain function through repetition and adaptation.

About

Challenge World

Read full description

Challenge World is a cognitive gauntlet built to find your limits. 310 levels. 50+ challenge types. Every session different. You'll face memory grids, rhythm tests, spatial logic, pattern locks, voice challenges, estimation games, reflex traps, and dozens of mechanics you won't see coming. The game shuffles daily the same level plays differently every time. 6 TIERS. RISING DIFFICULTY. Foundation is free. Prove you belong before you touch Synapse, Cortex, Nexus, Zenith, or Apex. Most players don't clear the third tier. A handful reach the top. YOUR IQ MOVES. Every level you pass raises your IQ score. Every fail costs you. Hints carry a penalty. The leaderboard is honest no grinding past it. HEAD-TO-HEAD MODE Challenge real players to 1v1 duels. Pick a topic, pick your opponent, prove it live. GAUNTLETS & BOSS LEVELS Every tier ends with a gauntlet 10 challenges, zero resets, zero mercy. One wrong answer sends you back to 1. Boss levels pull from your entire tier history. You don't skip them. Available in English and French.

Screenshots

Brain Wars4 screens
Challenge World4 screens

Verdict

The call

The clearest difference is ads: Challenge World at none against Brain Wars's shown. Challenge World also leads on update cadence (every 5 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Brain Wars sells 8 one-off in-app purchases and Challenge World sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Brain Wars ships an update every 6 weeks, Challenge World every 5 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Brain Wars versus Challenge World: the parameters behind the verdict, then further details
ParameterBrain WarsChallenge World
PriceFreeFree
Rating4.6 (2.5K ratings) — better—
Positive reviews64.8% of reviews—
Number of ratings2.5K — better—
Update frequencyEvery 6 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size63 MB88 MB
Age rating4+12+
DeveloperTranslimit, Inc.Eric Martial Kameni

Bugs and requests

Brain Wars

Reported bugs

4 issues
  • Challenges not working properly
  • Crashes when exiting ads
  • Freezing and loading issues
  • Incorrect scoring/stats updates

Requested features

4 requests
  • Offline practice mode
  • Clearer explanation of ranking/scoring system
  • More game variety
  • Ability to challenge friends asynchronously

Challenge World

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Brain Wars

One-time8
  • Heal Heart$0.99
  • 20 Coins$1.99
  • Remove Ads Option$3.99
Show 5 more
  • 50 Coins$4.99
  • 120 Coins$11.99
  • 240 Coins$23.99
  • 480 Coins$47.99
  • 750 Coins$74.99
6 purchases

Challenge World

One-time6
  • Synapse Tier$0.99
  • Cortex Tier$0.99
  • Nexus Tier$0.99
Show 3 more
  • Zenith Tier$0.99
  • Apex Tier$0.99
  • Head-to-Head Mode$0.99

Questions

Is Brain Wars free?
Brain Wars is free to download, with in-app purchases available.
Is Challenge World free?
Challenge World is free to download, with in-app purchases available.
Do Brain Wars or Challenge World have ads?
Brain Wars shows ads; Challenge World does not.
Which is updated more often, Brain Wars or Challenge World?
Brain Wars ships an update every 6 weeks, and Challenge World every 5 days. Most recently, Brain Wars was updated on October 13, 2026 and Challenge World on October 4, 2026.

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