# 黑云文件 vs AC看板

The clearest difference is update cadence: AC看板 at monthly against 黑云文件's every 3 months. AC看板 also leads on device support (3 vs 1). 黑云文件's advantage is iOS requirement (9.3 vs 11.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

黑云文件 ships an update every 3 months, AC看板 monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | 黑云文件 | AC看板 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 39 MB | 59 MB |
| Requires iOS | **9.3** | 11.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ashcloud Solution Co.,Ltd](https://appshunter.io/developer/1556600685) | [Ashcloud Solution Co.,Ltd](https://appshunter.io/developer/1556600685) |

## What reviewers say

### 黑云文件

[App page](https://appshunter.io/ios/app/id1524441886)

**In-app purchases:** none


### AC看板

[App page](https://appshunter.io/ios/app/ac/id1556848615)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 黑云文件 free?

黑云文件 is free to download, with no in-app purchases.

### Is AC看板 free?

AC看板 is free to download, with no in-app purchases.

### Do 黑云文件 or AC看板 have ads?

Neither 黑云文件 nor AC看板 shows ads.

### Which is updated more often, 黑云文件 or AC看板?

黑云文件 ships an update every 3 months, and AC看板 monthly. Most recently, 黑云文件 was updated on October 25, 2026 and AC看板 on October 25, 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.*