# WeldTool vs 废品联盟

The clearest difference is update cadence: WeldTool at every 2 weeks against 废品联盟's every 4 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.

WeldTool ships an update every 2 weeks, 废品联盟 every 4 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | WeldTool | 废品联盟 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 34 MB | 66 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Aotai Electric Co. Ltd](https://appshunter.io/developer/973393830) | [中山市龙泰再生资源利用有限公司](https://appshunter.io/developer/1578070234) |

## What reviewers say

### WeldTool

[App page](https://appshunter.io/ios/app/weldtool/id1469175747)

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

**In-app purchases:** none


### 废品联盟

[App page](https://appshunter.io/ios/app/id1578070232)

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

**In-app purchases:** none


## Frequently asked questions

### Is WeldTool free?

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

### Is 废品联盟 free?

废品联盟 is free to download, with no in-app purchases.

### Do WeldTool or 废品联盟 have ads?

Neither WeldTool nor 废品联盟 shows ads.

### Which is updated more often, WeldTool or 废品联盟?

WeldTool ships an update every 2 weeks, and 废品联盟 every 4 months. Most recently, WeldTool was updated on October 4, 2026 and 废品联盟 on September 27, 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.*