BackEndHero vs BRAIN 99
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
BackEndHero
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BackEndHero는 뒤끝 SDK를 활용하여 만든 간단한 캐주얼 게임입니다! 게임 개발자분들이 뒤끝 SDK를 사용하여 게임을 개발할 때 도움이 되고자 개발되었으며, 관련 소스코드는 모두 오픈소스로 공개됩니다. BackEndHero에 대한 자세한 설명은 아래 링크를 참고해주세요. https://developer.thebackend.io/outline/guide/sampleGameGuide
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
Screenshots
Verdict
The clearest difference is ads: BackEndHero at none against BRAIN 99's shown. BRAIN 99's advantage is update cadence (every 8 days vs every 8 months) and iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support 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. BackEndHero sells 4 one-off in-app purchases and BRAIN 99 sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
BackEndHero ships an update every 8 months, BRAIN 99 every 8 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.
| Parameter | BackEndHero | BRAIN 99 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 8 months | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 311 MB |
| Age rating | 4+ | 4+ |
| Developer | Oh Hyun Kwon | XOGAMES Inc |
In-app purchases
BackEndHero
- Remove Ads$0.99
- remove ads$0.99
- TBC1200$0.99
Show 1 moreShow fewer
- 광고 제거$0.99
BRAIN 99
- Coins x1100$1.99
- Starter Pack Lv.1$1.99
- Coins x2500$3.99
Show 9 moreShow fewer
- 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
Questions
Is BackEndHero free?
Is BRAIN 99 free?
Do BackEndHero or BRAIN 99 have ads?
Which is updated more often, BackEndHero or BRAIN 99?
Other comparisons
