# 掌乾坤 vs PPA系统

The clearest difference is update cadence: PPA系统 at monthly against 掌乾坤's every 5 months. 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.

掌乾坤 ships an update every 5 months, PPA系统 monthly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 掌乾坤 | PPA系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 47 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shandong Operation Research Software Co., Ltd](https://appshunter.io/developer/600015190) | [Linde Engineering APAC Co., Ltd.](https://appshunter.io/developer/1637768301) |

## What reviewers say

### 掌乾坤

[App page](https://appshunter.io/ios/app/id1056985165)

**Features:** macOS Compatibility

**In-app purchases:** none


### PPA系统

[App page](https://appshunter.io/ios/app/ppa/id6444094203)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 掌乾坤 free?

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

### Is PPA系统 free?

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

### Do 掌乾坤 or PPA系统 have ads?

Neither 掌乾坤 nor PPA系统 shows ads.

### Which is updated more often, 掌乾坤 or PPA系统?

掌乾坤 ships an update every 5 months, and PPA系统 monthly. Most recently, 掌乾坤 was updated on October 2, 2026 and PPA系统 on October 10, 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.*