# SiYouXian vs CheckFlow

The clearest difference is in-app purchases: CheckFlow at none against SiYouXian's 3. SiYouXian's advantage is iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. SiYouXian sells 3 in-app purchases, starting at $3.99 per month. CheckFlow asks for nothing beyond the download.

## The numbers

| Metric | SiYouXian | CheckFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 58 MB | 56 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Liaoxiang Technology Co., Ltd.](https://appshunter.io/developer/1497850980) | [XEOND MCHJ](https://appshunter.io/developer/1869022216) |

## What reviewers say

### SiYouXian

[App page](https://appshunter.io/ios/app/siyouxian/id6502861146)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP membership for one month | $3.99 | per month |
| VIP membership for Three month | $12.99 | per 3 months |
| VIP membership for one year | $29.99 | per year |


### CheckFlow

[App page](https://appshunter.io/ios/app/checkflow/id6757803211)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SiYouXian free?

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

### Is CheckFlow free?

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

### Do SiYouXian or CheckFlow have ads?

Neither SiYouXian nor CheckFlow shows ads.

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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.*