# 正老林羊肉爐 vs Chain

The clearest difference is update cadence: Chain at weekly against 正老林羊肉爐's every 6 months. 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.

正老林羊肉爐 ships an update every 6 months, Chain weekly. Both last shipped on October 3, 2026.

## The numbers

| Metric | 正老林羊肉爐 | Chain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Size | 40 MB | 41 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [E-CARDS APP](https://appshunter.io/developer/1689164931) | [HOIN TECHNOLOGY CO ., LTD .](https://appshunter.io/developer/1566366629) |

## What reviewers say

### 正老林羊肉爐

[App page](https://appshunter.io/ios/app/id6474228164)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chain

[App page](https://appshunter.io/ios/app/chain-in/id6762069262)

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

**In-app purchases:** none


## Frequently asked questions

### Is 正老林羊肉爐 free?

正老林羊肉爐 is free to download, with no in-app purchases.

### Is Chain free?

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

### Do 正老林羊肉爐 or Chain have ads?

Neither 正老林羊肉爐 nor Chain shows ads.

### Which is updated more often, 正老林羊肉爐 or Chain?

正老林羊肉爐 ships an update every 6 months, and Chain weekly. Most recently, 正老林羊肉爐 was updated on October 3, 2026 and Chain on October 3, 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.*