# PH vs 绿云随心订

The clearest difference is update cadence: PH at fortnightly against 绿云随心订's every 2 months. 绿云随心订'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.

PH ships an update fortnightly, 绿云随心订 every 2 months. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PH | 绿云随心订 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 46 MB | 29 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou zhongchupuhua Electric Technology Co., Ltd](https://appshunter.io/developer/1673675965) | [杭州绿云科技有限公司](https://appshunter.io/developer/1670027672) |

## What reviewers say

### PH

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 绿云随心订

[App page](https://appshunter.io/ios/app/id6502689870)

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

**In-app purchases:** none


## Frequently asked questions

### Is PH free?

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

### Is 绿云随心订 free?

绿云随心订 is free to download, with no in-app purchases.

### Do PH or 绿云随心订 have ads?

Neither PH nor 绿云随心订 shows ads.

### Which is updated more often, PH or 绿云随心订?

PH ships an update fortnightly, and 绿云随心订 every 2 months. Most recently, PH was updated on October 25, 2026 and 绿云随心订 on October 16, 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.*