# 空扇区 vs BrainJD

The clearest difference is update cadence: BrainJD at every 3 days against 空扇区's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 空扇区 sells 18 in-app purchases, starting at $3.99 per month and BrainJD sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

空扇区 ships an update every 3 weeks, BrainJD every 3 days. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 空扇区 | BrainJD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/id1663498485/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 34.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 18 MB | 90 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [雨童 陈](https://appshunter.io/developer/1056009364) | [非格式(杭州)智能科技有限公司](https://appshunter.io/developer/1875879049) |

## What reviewers say

### 空扇区

[App page](https://appshunter.io/ios/app/id1663498485)

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $3.99 | per month |
| 扇世界会员连续包月 | $4.99 | per month |
| 连续包季 | $9.99 | per 3 months |
| 连续包年 | $39.99 | per year |
| 扇世界会员连续包年 | $59.99 | per year |
| 36空石 | $0.99 | one-time |
| 72空石 | $1.99 | one-time |
| Creator Membership for 1 month | $3.99 | one-time |
| 180空石 | $3.99 | one-time |
| 扇世界月卡 | $4.99 | one-time |
| 360空石 | $8.99 | one-time |
| live2d功能激活 | $9.99 | one-time |
| Live2D功能激活 | $9.99 | one-time |
| 高级创作会员季卡 | $9.99 | one-time |
| 768空石 | $19.99 | one-time |
| 高级创作会员年卡 | $39.99 | one-time |
| 扇世界年卡 | $59.99 | one-time |
| 3888空石 | $99.99 | one-time |


### BrainJD

[App page](https://appshunter.io/ios/app/brainjd/id6758941457)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 瓦片充值 | $0.99 | one-time |
| 创建复刻音色卡 | $2.99 | one-time |
| 瓦片充值 | $3.99 | one-time |
| 季度会员 | $6.99 | one-time |
| 瓦片充值 | $9.99 | one-time |
| 购买自定义娃音 | $12.99 | one-time |
| 瓦片充值 | $19.99 | one-time |
| 年度会员 | $24.99 | one-time |
| 瓦片充值 | $49.99 | one-time |
| 瓦片充值 | $99.99 | one-time |


## Frequently asked questions

### Is 空扇区 free?

空扇区 is free to download, with in-app purchases available.

### Is BrainJD free?

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

### Do 空扇区 or BrainJD have ads?

Neither 空扇区 nor BrainJD shows ads.

### Which is updated more often, 空扇区 or BrainJD?

空扇区 ships an update every 3 weeks, and BrainJD every 3 days. Most recently, 空扇区 was updated on October 21, 2026 and BrainJD on October 14, 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.*