# 51医疗采购 vs POScan

The clearest difference is update cadence: POScan at every 5 days against 51医疗采购's every 6 months. 51医疗采购's advantage is iOS requirement (13.0 vs 16). 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.

51医疗采购 ships an update every 6 months, POScan every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 51医疗采购 | POScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 28 MB | 56 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Electronic Certificate Authority Center Co.,LTD](https://appshunter.io/developer/924307388) | [ollobaby](https://appshunter.io/developer/1790456124) |

## What reviewers say

### 51医疗采购

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

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

**In-app purchases:** none


### POScan

[App page](https://appshunter.io/ios/app/poscan/id6746837194)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 51医疗采购 free?

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

### Is POScan free?

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

### Do 51医疗采购 or POScan have ads?

Neither 51医疗采购 nor POScan shows ads.

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

51医疗采购 ships an update every 6 months, and POScan every 5 days. Most recently, 51医疗采购 was updated on October 25, 2026 and POScan on October 28, 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.*