BRAIN 99 vs 99鬼退治~99×99の問題に答えて鬼を倒そう
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
BRAIN 99
Engage in real-time brain battles with friends and family. This game offers over 20 challenges to activate different parts of your brain, improving memory, observation, and calculation skills. Compete for rewards and titles to boost your IQ.
- Real-time multiplayer brain battles
- Over 20 brain-activating challenges
- Improves memory, observation, analysis, focus, calculation
- Competitive rankings and rewards
- Intuitive gameplay for all ages
- Unlock new challenges and titles
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Are you ready to Prove your Smarts with your Friends? Welcome to the ultimate brain survival game, BRAIN 99! [Game Features] Enjoy a Brain Battle with your Family & Friends! - Intuitive and Fun for kids to adults! Everyone can just pick up and play. - Play with your Family and Friends in real-time through Friends Mode. Boost Your Brainpower Everyday! - Have fun everyday and discover yourself getting little smarter each time. - No need to Learn separately. Just play to train! Over 20 Brain-Activating Challenges to help you stay Sharp! - Activate various parts of your brain with easy-to-learn challenges. - Develop all areas like: Memory, Observation, Analysis, Focus, and Calculation. Aim for a Higher Rank sand Earn every more Rewards! - Compete for special rewards based on weekly and monthly rankings. - Earn unique titles and unlock new challenges, missions. Get Smarter! Level up your IQ now! Show your friends how smart you are with BRAIN 99! [Terms of Service] http://wwwdata.xogames.co.kr/policies.html [Privacy Policy] http://wwwdata.xogames.co.kr/privacy.html [Bug Report] - E-Mail: support@xogames.co.kr - Discord:https://bit.ly/XOdiscord
99鬼退治~99×99の問題に答えて鬼を倒そう
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本アプリは、99×99までの掛け算問題に答えながら敵を倒して進む、計算力強化とアクション要素を組み合わせた脳トレゲームです。 テンポよく出題される計算問題に正解することで攻撃が発動し、ステージを攻略できます。 特徴 ・99×99までの掛け算で計算力を鍛えられる ・ステージごとに異なる敵や難易度 ・短時間で遊べるテンポ良い構成 ・繰り返しプレイしやすく、学習にも最適 計算力を鍛えたい方、脳トレを楽しみたい方、サクッと遊べるゲームをお探しの方に最適です。
Screenshots
Verdict
The clearest difference is update cadence: 99鬼退治~99×99の問題に答えて鬼を倒そう at daily against BRAIN 99's every 8 days. BRAIN 99's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.2). On price, ads and in-app purchases 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 99 sells 12 one-off in-app purchases and 99鬼退治~99×99の問題に答えて鬼を倒そう sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
BRAIN 99 ships an update every 8 days, 99鬼退治~99×99の問題に答えて鬼を倒そう daily. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.
| Parameter | BRAIN 99 | 99鬼退治~99×99の問題に答えて鬼を倒そう |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 8 days | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 311 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | XOGAMES Inc | Yusaku Fujita |
In-app purchases
BRAIN 99
- Coins x1100$1.99
- Starter Pack Lv.1$1.99
- Coins x2500$3.99
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- Starter Pack Lv.2$3.99
- No Ads$5.99
- Starter Pack Lv.3$5.99
- Starter Pack$5.99
- Coins x7500$7.99
- Starter Pack All$7.99
- Coins x14900$14.99
- Coins x27000$17.99
- Coins x50000$22.99
99鬼退治~99×99の問題に答えて鬼を倒そう
- プレミアムプラン 月額$2.991 Month
- プレミアムプラン 年額$24.991 Year
- リトライ機能$0.49
Questions
Is BRAIN 99 free?
Is 99鬼退治~99×99の問題に答えて鬼を倒そう free?
Do BRAIN 99 or 99鬼退治~99×99の問題に答えて鬼を倒そう have ads?
Which is updated more often, BRAIN 99 or 99鬼退治~99×99の問題に答えて鬼を倒そう?
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