Comparison

日語N5單字 vs BRAIN 99

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

Head to head

Brain Battle with Friends!

Free

🎮 Games

★ 5.02 ratingsView app →

About

日語N5單字

Learn Japanese N5 vocabulary through an engaging quiz battle game set in a traditional Japanese pleasure district. Features voice-acted words, diverse question types, and in-game items to make studying fun and rewarding.

Highlights

N5 Japanese vocabulary
Authentic pronunciation with voice acting
Quiz battle gameplay
Multiple girls and question types
Items, equipment, and skills
Achievements and missions

Features

Read full description

在吉原遊廓中，與女孩們展開一段學習戰鬥！！！以日語檢定單字為主題的全新型態作品，搭配華麗的吉原背景，純和風問答對戰遊戲驚艷上市！ ======================================== 1.收錄大量N5日本語檢定常用單字。 2.日本少女單字配音，學習最道地發音。 3.簡易問答對戰，你的學習力就是你的戰鬥力！ 4.多位女孩與多樣題型，自由選擇練習模式。 5.道具、裝備、技能豐富遊戲，讓你不再枯燥學習！ 6.多種成就與任務，每次答題皆充滿收穫！

About

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.

Highlights

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

Read full description

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

日語N5單字4 screens

BRAIN 994 screens

Verdict

The call

The clearest difference is ads: 日語N5單字 at none against BRAIN 99's shown. 日語N5單字 also leads on review sentiment (90% vs 60%) and iOS requirement (9.0 vs 12.0). BRAIN 99's advantage is update cadence (every 8 days vs every 2 weeks). On price, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 日語N5單字 sells 5 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.

UpkeepUpdate frequency

日語N5單字 ships an update every 2 weeks, BRAIN 99 every 8 days. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level

日語N5單字 versus BRAIN 99: the parameters behind the verdict, then further details
Parameter	日語N5單字	BRAIN 99
Price	Free	Free
Rating	—	5.0 (2 ratings) — better
Positive reviews	90.0% of reviews — better	60.0% of reviews
Number of ratings	—	2 — better
Update frequency	Every 2 weeks	Every 8 days — better
Ads	No — better	Yes
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	12.0
Further details — not scored
Size	205 MB	311 MB
Age rating	12+	4+
Developer	Kuei Ming Lai	XOGAMES Inc

Customer experience

日語N5單字

Written reviews10 reviews

Positive90.0%

Neutral10.0%

Negative0.0%

BRAIN 99

All ratings2 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

Written reviews5 reviews

Positive60.0%

Neutral0.0%

Negative40.0%

In-app purchases

5 purchases

日語N5單字

One-time5

小判禮包$0.99
花瓣禮包$0.99
舞子禮包$1.99

Show 2 more

琴未禮包$1.99
彩香禮包$1.99

12 purchases

BRAIN 99

One-time12

Coins x1100$1.99
Starter Pack Lv.1$1.99
Coins x2500$3.99

Show 9 more

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 日語N5單字 free?

日語N5單字 is free to download, with in-app purchases available.

Is BRAIN 99 free?

BRAIN 99 is free to download, with in-app purchases available.

Do 日語N5單字 or BRAIN 99 have ads?

BRAIN 99 shows ads; 日語N5單字 does not.

Which is updated more often, 日語N5單字 or BRAIN 99?

日語N5單字 ships an update every 2 weeks, and BRAIN 99 every 8 days. Most recently, 日語N5單字 was updated on October 14, 2026 and BRAIN 99 on October 21, 2026.