# WeldTool vs 乐建宝

The clearest difference is iOS requirement: 乐建宝 at 12.0 against WeldTool's 15.0. On price, update cadence, ads and in-app purchases 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, 乐建宝 monthly. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | WeldTool | 乐建宝 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 35 MB | 173 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Aotai Electric Co. Ltd](https://appshunter.io/developer/973393830) | [Lecons Inc.](https://appshunter.io/developer/1071365436) |

## What reviewers say

### WeldTool

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

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

**In-app purchases:** none


### 乐建宝

[App page](https://appshunter.io/ios/app/id1569348072)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WeldTool free?

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

### Is 乐建宝 free?

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

### Do WeldTool or 乐建宝 have ads?

Neither WeldTool nor 乐建宝 shows ads.

### Which is updated more often, WeldTool or 乐建宝?

WeldTool ships an update every 2 weeks, and 乐建宝 monthly. Most recently, WeldTool was updated on October 21, 2026 and 乐建宝 on October 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.*