# 发运管理系统 vs PH

The clearest difference is update cadence: PH at fortnightly against 发运管理系统's every 4 months. 发运管理系统's advantage is iOS requirement (12.0 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.

发运管理系统 ships an update every 4 months, PH fortnightly. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 发运管理系统 | PH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 78 MB | 46 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Caitong Automation Control Engineering Co., Ltd.](https://appshunter.io/developer/1257488084) | [Suzhou zhongchupuhua Electric Technology Co., Ltd](https://appshunter.io/developer/1673675965) |

## What reviewers say

### 发运管理系统

[App page](https://appshunter.io/ios/app/id1506160630)

**Features:** macOS Compatibility

**In-app purchases:** none


### PH

[App page](https://appshunter.io/ios/app/ph-solar/id6445969426)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 发运管理系统 free?

发运管理系统 is free to download, with no in-app purchases.

### Is PH free?

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

### Do 发运管理系统 or PH have ads?

Neither 发运管理系统 nor PH shows ads.

### Which is updated more often, 发运管理系统 or PH?

发运管理系统 ships an update every 4 months, and PH fortnightly. Most recently, 发运管理系统 was updated on October 5, 2026 and PH on October 13, 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.*