# 压缩专家 vs 云上写诗

The clearest difference is in-app purchases: 云上写诗 at none against 压缩专家's 9. 云上写诗 also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 压缩专家 sells 9 in-app purchases, starting at $0.99 per month. 云上写诗 asks for nothing beyond the download.

## The numbers

| Metric | 压缩专家 | 云上写诗 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 20 MB | 3 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [学鹏 张](https://appshunter.io/developer/1529221117) | [Chengdu Fuli Bo Technology Co. LTD](https://appshunter.io/developer/1649260773) |

## What reviewers say

### 压缩专家

[App page](https://appshunter.io/ios/app/id6462813652)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25GB云盘 | $0.99 | per month |
| 按月订阅VIP | $1.99 | per month |
| 50GB云盘 | $2.99 | per month |
| 100GB云盘 | $4.99 | per month |
| 250GB云盘 | $11.99 | per month |
| 订阅半年VIP | $12.99 | per 6 months |
| 订阅一年VIP | $19.99 | per year |
| 500GB云盘 | $24.99 | per month |
| 1TB云盘 | $49.99 | per month |


### 云上写诗

[App page](https://appshunter.io/ios/app/id6475837726)

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

**In-app purchases:** none


## Frequently asked questions

### Is 压缩专家 free?

压缩专家 is free to download, with in-app purchases available.

### Is 云上写诗 free?

云上写诗 is free to download, with no in-app purchases.

### Do 压缩专家 or 云上写诗 have ads?

压缩专家 shows ads; 云上写诗 does not.

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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.*