# 废钢网 vs 铜铝之家

The clearest difference is update cadence: 废钢网 at every 6 weeks against 铜铝之家's every 3 months. 铜铝之家's advantage is iOS requirement (11.0 vs 18.6). 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.

废钢网 ships an update every 6 weeks, 铜铝之家 every 3 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 废钢网 | 铜铝之家 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id957713642/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 36 MB | 92 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Zhanran Information Technology Co., Ltd](https://appshunter.io/developer/957713641) | [Hebei ZaiXun Network Technology Co., Ltd.](https://appshunter.io/developer/994393282) |

## What reviewers say

### 废钢网

[App page](https://appshunter.io/ios/app/id957713642)

Access real-time scrap metal market data, including prices, supply and demand information, and expert analysis. Track historical price trends and connect with scrap metal businesses nationwide.

**Highlights:** Scrap metal market data, Steel mill quotes, Business opportunities, Historical price reports, Market analysis and opinions

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

**In-app purchases:** none


### 铜铝之家

[App page](https://appshunter.io/ios/app/id1505147457)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 废钢网 free?

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

### Is 铜铝之家 free?

铜铝之家 is free to download, with no in-app purchases.

### Do 废钢网 or 铜铝之家 have ads?

Neither 废钢网 nor 铜铝之家 shows ads.

### Which is updated more often, 废钢网 or 铜铝之家?

废钢网 ships an update every 6 weeks, and 铜铝之家 every 3 months. Most recently, 废钢网 was updated on November 1, 2026 and 铜铝之家 on November 7, 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.*