# ZKS Cloud vs 51医疗采购

The clearest difference is update cadence: ZKS Cloud at every 2 months against 51医疗采购's every 6 months. 51医疗采购's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ZKS Cloud ships an update every 2 months, 51医疗采购 every 6 months. Both last shipped on September 9, 2026.

## The numbers

| Metric | ZKS Cloud | 51医疗采购 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 40 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen ZKS Mobile IOT Tech Co., Ltd.](https://appshunter.io/developer/1296855170) | [Shanghai Electronic Certificate Authority Center Co.,LTD](https://appshunter.io/developer/924307388) |

## What reviewers say

### ZKS Cloud

[App page](https://appshunter.io/ios/app/zks-cloud/id1501833937)

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

**In-app purchases:** none


### 51医疗采购

[App page](https://appshunter.io/ios/app/51/id1620117963)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZKS Cloud free?

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

### Is 51医疗采购 free?

51医疗采购 is free to download, with no in-app purchases.

### Do ZKS Cloud or 51医疗采购 have ads?

Neither ZKS Cloud nor 51医疗采购 shows ads.

### Which is updated more often, ZKS Cloud or 51医疗采购?

ZKS Cloud ships an update every 2 months, and 51医疗采购 every 6 months. Most recently, ZKS Cloud was updated on September 9, 2026 and 51医疗采购 on September 9, 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.*