# 钢小二 vs 链应急

The clearest difference is update cadence: 链应急 at every 3 weeks against 钢小二's every 2 months. 钢小二's advantage is iOS requirement (11.0 vs 13.0). 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.

钢小二 ships an update every 2 months, 链应急 every 3 weeks. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 钢小二 | 链应急 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 41 MB | 36 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海易连网络科技有限公司](https://appshunter.io/developer/1485501779) | [唐山银耐联电子商务有限公司](https://appshunter.io/developer/1381056002) |

## What reviewers say

### 钢小二

[App page](https://appshunter.io/ios/app/id1485501780)

**Features:** macOS Compatibility

**In-app purchases:** none


### 链应急

[App page](https://appshunter.io/ios/app/id6475662653)

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

**In-app purchases:** none


## Frequently asked questions

### Is 钢小二 free?

钢小二 is free to download, with no in-app purchases.

### Is 链应急 free?

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

### Do 钢小二 or 链应急 have ads?

Neither 钢小二 nor 链应急 shows ads.

### Which is updated more often, 钢小二 or 链应急?

钢小二 ships an update every 2 months, and 链应急 every 3 weeks. Most recently, 钢小二 was updated on October 13, 2026 and 链应急 on October 12, 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.*