# 微影医生 vs PCCM过程管理

The clearest difference is update cadence: 微影医生 at every 5 weeks against PCCM过程管理's every 4 months. PCCM过程管理's advantage is iOS requirement (9.0 vs 15.0). 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.

微影医生 ships an update every 5 weeks, PCCM过程管理 every 4 months. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | 微影医生 | PCCM过程管理 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/id1233577610/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 44 MB | 8 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Zhejiang RAD Info Technology Co. Ltd](https://appshunter.io/developer/794742035) | [天津微迪加科技有限公司](https://appshunter.io/developer/1281393457) |

## What reviewers say

### 微影医生

[App page](https://appshunter.io/ios/app/id1233577610)

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

**In-app purchases:** none


### PCCM过程管理

[App page](https://appshunter.io/ios/app/pccm/id1371967772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 微影医生 free?

微影医生 is free to download, with no in-app purchases.

### Is PCCM过程管理 free?

PCCM过程管理 is free to download, with no in-app purchases.

### Do 微影医生 or PCCM过程管理 have ads?

Neither 微影医生 nor PCCM过程管理 shows ads.

### Which is updated more often, 微影医生 or PCCM过程管理?

微影医生 ships an update every 5 weeks, and PCCM过程管理 every 4 months. Most recently, 微影医生 was updated on November 2, 2026 and PCCM过程管理 on November 11, 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.*