# PH vs 链库冷库数据

The clearest difference is iOS requirement: 链库冷库数据 at 13.0 against PH's 15.6. On price, update cadence, ads and in-app purchases 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, 链库冷库数据 every 3 weeks. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PH | 链库冷库数据 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 46 MB | 24 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) | [Shanghai Lianku Information Technology Co., Ltd.](https://appshunter.io/developer/1620470939) |

## What reviewers say

### PH

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 链库冷库数据

[App page](https://appshunter.io/ios/app/id6465794073)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PH free?

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

### Is 链库冷库数据 free?

链库冷库数据 is free to download, with no in-app purchases.

### Do PH or 链库冷库数据 have ads?

Neither PH nor 链库冷库数据 shows ads.

### Which is updated more often, PH or 链库冷库数据?

PH ships an update fortnightly, and 链库冷库数据 every 3 weeks. Most recently, PH was updated on October 25, 2026 and 链库冷库数据 on October 8, 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.*