# 日語50音 vs BRAIN 99

The clearest difference is review sentiment: BRAIN 99 at 60% against 日語50音's 0%. BRAIN 99 also leads on rating (5.0 vs 3.0). 日語50音's advantage is ads (none vs shown) and iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. 日語50音 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.

BRAIN 99 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of 日語50音's written reviews are positive against 60% of BRAIN 99's.

日語50音 ships an update fortnightly, BRAIN 99 every 8 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 日語50音 | BRAIN 99 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/50/id1449548082/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-99-quick-brain-battle/id6456751981/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 177 MB | 311 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Kuei Ming Lai](https://appshunter.io/developer/1261229423) | [XOGAMES Inc](https://appshunter.io/developer/1133102824) |

## What reviewers say

### 日語50音

[App page](https://appshunter.io/ios/app/50/id1449548082)

This game makes learning Japanese 50 sounds fun and engaging. Practice repeatedly by challenging monsters and bosses, where your 50-tone ability directly impacts your fighting power. It's designed for beginners struggling with memorization.

**Highlights:** Adventure game format, Practice Japanese 50 sounds, Combat system tied to learning, Challenge monsters and bosses, Repetitive practice tool, Fun and engaging learning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 初心の冒險-支持禮包 | $0.99 | one-time |
| 初心の冒險 - 移除廣告 | $1.99 | one-time |
| 初心の冒險-贊助禮包 | $3.99 | one-time |
| 初心の冒險-乾爹/乾媽禮包 | $9.99 | one-time |


### BRAIN 99

[App page](https://appshunter.io/ios/app/brain-99-quick-brain-battle/id6456751981)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins x1100 | $1.99 | one-time |
| Starter Pack Lv.1 | $1.99 | one-time |
| Coins x2500 | $3.99 | one-time |
| Starter Pack Lv.2 | $3.99 | one-time |
| No Ads | $5.99 | one-time |
| Starter Pack Lv.3 | $5.99 | one-time |
| Starter Pack | $5.99 | one-time |
| Coins x7500 | $7.99 | one-time |
| Starter Pack All | $7.99 | one-time |
| Coins x14900 | $14.99 | one-time |
| Coins x27000 | $17.99 | one-time |
| Coins x50000 | $22.99 | one-time |


## Frequently asked questions

### Is 日語50音 free?

日語50音 is free to download, with in-app purchases available.

### Is BRAIN 99 free?

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

### Which has better reviews, 日語50音 or BRAIN 99?

BRAIN 99 is rated higher. 日語50音 averages 3.0 out of 5 from 1 ratings, while BRAIN 99 averages 5.0 from 2 ratings.

### Do 日語50音 or BRAIN 99 have ads?

BRAIN 99 shows ads; 日語50音 does not.

### Which is updated more often, 日語50音 or BRAIN 99?

日語50音 ships an update fortnightly, and BRAIN 99 every 8 days. Most recently, 日語50音 was updated on October 24, 2026 and BRAIN 99 on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*