# 哲达云 vs 链库冷库数据

The clearest difference is device support: 链库冷库数据 at 2 against 哲达云's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 哲达云 | 链库冷库数据 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 54 MB | 24 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [HANGZHOU ZETA TECHNOLOGY Co., LTD](https://appshunter.io/developer/1454219187) | [Shanghai Lianku Information Technology Co., Ltd.](https://appshunter.io/developer/1620470939) |

## What reviewers say

### 哲达云

[App page](https://appshunter.io/ios/app/id1619922245)

**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 哲达云 free?

哲达云 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.

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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.*