Brain Wars vs Challenge World
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Real-time global battles
- Challenge friends
- Worldwide rankings
- Simple brain teasers
- Intuitive training
- Adaptable challenges
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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.
Challenge World
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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
Verdict
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
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.
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.
| Parameter | Brain Wars | Challenge World |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.5K ratings) — better | — |
| Positive reviews | 64.8% of reviews | — |
| Number of ratings | 2.5K — better | — |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 63 MB | 88 MB |
| Age rating | 4+ | 12+ |
| Developer | Translimit, 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
Brain Wars
- Heal Heart$0.99
- 20 Coins$1.99
- Remove Ads Option$3.99
Show 5 moreShow fewer
- 50 Coins$4.99
- 120 Coins$11.99
- 240 Coins$23.99
- 480 Coins$47.99
- 750 Coins$74.99
Challenge World
- Synapse Tier$0.99
- Cortex Tier$0.99
- Nexus Tier$0.99
Show 3 moreShow fewer
- Zenith Tier$0.99
- Apex Tier$0.99
- Head-to-Head Mode$0.99
Questions
Is Brain Wars free?
Is Challenge World free?
Do Brain Wars or Challenge World have ads?
Which is updated more often, Brain Wars or Challenge World?
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